Messenger of Allah ﷺ said, "Allah has ninety-nine names, i.e. one-hundred minus one, and whoever knows them will go to Paradise." (Please see Hadith No. 419 Vol. 8)  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ إِنَّ لِلَّهِ تِسْعَةً وَتِسْعِينَ اسْمَا مِائَةً إِلاَّ وَاحِدًا مَنْ أَحْصَاهَا دَخَلَ الْجَنَّةَ