what is the successor of 1099999. Share with your friends Share 1 Neelam Dubey answered this Dear student. Successor is the number which comes after a given no:. successor of 1099999 = 1099999 + 1 = 1100000. Regards 2 View Full Answer Aratrika Ghosh answered this 10000000 -2 Amrutha P answered this 1100000 2