diff --git a/packages/nodes-base/nodes/Notion/GenericFunctions.ts b/packages/nodes-base/nodes/Notion/GenericFunctions.ts
index 0f6709d8a8..25dc59bc2b 100644
--- a/packages/nodes-base/nodes/Notion/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Notion/GenericFunctions.ts
@@ -420,58 +420,71 @@ export function mapFilters(filters: IDataObject[], timezone: string) {
 	}, {});
 }
 
+// tslint:disable-next-line: no-any
+function simplifyProperty(property: any) {
+	// tslint:disable-next-line: no-any
+	let result: any;
+	const type = (property as IDataObject).type as string;
+	if (['text'].includes(property.type)) {
+		result = property.plain_text;
+	} else if (['rich_text', 'title'].includes(property.type)) {
+		if (Array.isArray(property[type]) && property[type].length !== 0) {
+				// tslint:disable-next-line: no-any
+			result = property[type].map((text: any) => simplifyProperty(text) as string).join('');
+		} else {
+			result = '';
+		}
+	} else if (['url', 'created_time', 'checkbox', 'number', 'last_edited_time', 'email', 'phone_number', 'date'].includes(property.type)) {
+		// tslint:disable-next-line: no-any
+		result = property[type] as any;
+	} else if (['created_by', 'last_edited_by', 'select'].includes(property.type)) {
+		result = (property[type]) ? property[type].name : null;
+	} else if (['people'].includes(property.type)) {
+		if (Array.isArray(property[type])) {
+			// tslint:disable-next-line: no-any
+			result = property[type].map((person: any) => person.person?.email || {});
+		} else {
+			result = property[type];
+		}
+	} else if (['multi_select'].includes(property.type)) {
+		if (Array.isArray(property[type])) {
+			result = property[type].map((e: IDataObject) => e.name || {});
+		} else {
+			result = property[type].options.map((e: IDataObject) => e.name || {});
+		}
+	} else if (['relation'].includes(property.type)) {
+		if (Array.isArray(property[type])) {
+			result = property[type].map((e: IDataObject) => e.id || {});
+		} else {
+			result = property[type].database_id;
+		}
+	} else if (['formula'].includes(property.type)) {
+		result = property[type][property[type].type];
+
+	} else if (['rollup'].includes(property.type)) {
+		const rollupFunction = property[type].function as string;
+		if (rollupFunction.startsWith('count') || rollupFunction.includes('empty')) {
+			result = property[type].number;
+			if (rollupFunction.includes('percent')) {
+				result = result * 100;
+			}
+		} else if (rollupFunction.startsWith('show') && property[type].type === 'array') {
+			const elements = property[type].array.map(simplifyProperty).flat();
+			result = rollupFunction === 'show_unique' ? [...new Set(elements)] : elements;
+		}
+	} else if (['files'].includes(property.type)) {
+		// tslint:disable-next-line: no-any
+		result = property[type].map((file: { type: string, [key: string]: any }) => (file[file.type].url));
+	}
+	return result;
+}
+
 // tslint:disable-next-line: no-any
 export function simplifyProperties(properties: any) {
 	// tslint:disable-next-line: no-any
 	const results: any = {};
 	for (const key of Object.keys(properties)) {
-		const type = (properties[key] as IDataObject).type as string;
-		if (['text'].includes(properties[key].type)) {
-			const texts = properties[key].text.map((e: { plain_text: string }) => e.plain_text || {}).join('');
-			results[`${key}`] = texts;
-		} else if (['rich_text'].includes(properties[key].type)) {
-			const texts = properties[key].rich_text.map((e: { plain_text: string }) => e.plain_text || {}).join('');
-			results[`${key}`] = texts;
-		} else if (['url', 'created_time', 'checkbox', 'number', 'last_edited_time', 'email', 'phone_number', 'date'].includes(properties[key].type)) {
-			// tslint:disable-next-line: no-any
-			results[`${key}`] = properties[key][type] as any;
-		} else if (['title'].includes(properties[key].type)) {
-			if (Array.isArray(properties[key][type]) && properties[key][type].length !== 0) {
-				results[`${key}`] = properties[key][type][0].plain_text;
-			} else {
-				results[`${key}`] = '';
-			}
-		} else if (['created_by', 'last_edited_by', 'select'].includes(properties[key].type)) {
-			results[`${key}`] = (properties[key][type]) ? properties[key][type].name : null;
-		} else if (['people'].includes(properties[key].type)) {
-			if (Array.isArray(properties[key][type])) {
-				// tslint:disable-next-line: no-any
-				results[`${key}`] = properties[key][type].map((person: any) => person.person?.email || {});
-			} else {
-				results[`${key}`] = properties[key][type];
-			}
-		} else if (['multi_select'].includes(properties[key].type)) {
-			if (Array.isArray(properties[key][type])) {
-				results[`${key}`] = properties[key][type].map((e: IDataObject) => e.name || {});
-			} else {
-				results[`${key}`] = properties[key][type].options.map((e: IDataObject) => e.name || {});
-			}
-		} else if (['relation'].includes(properties[key].type)) {
-			if (Array.isArray(properties[key][type])) {
-				results[`${key}`] = properties[key][type].map((e: IDataObject) => e.id || {});
-			} else {
-				results[`${key}`] = properties[key][type].database_id;
-			}
-		} else if (['formula'].includes(properties[key].type)) {
-			results[`${key}`] = properties[key][type][properties[key][type].type];
-
-		} else if (['rollup'].includes(properties[key].type)) {
-			//TODO figure how to resolve rollup field type
-			// results[`${key}`] = properties[key][type][properties[key][type].type];
-		} else if (['files'].includes(properties[key].type)) {
-			// tslint:disable-next-line: no-any
-			results[`${key}`] = properties[key][type].map((file: { type: string, [key: string]: any }) => (file[file.type].url));
-		}
+		results[`${key}`] = simplifyProperty(properties[key]);
 	}
 	return results;
 }