111123202012 has 12 divisors (see below), whose sum is σ = 197129516416. Its totient is φ = 54800483040.

The previous prime is 111123201977. The next prime is 111123202033. The reversal of 111123202012 is 210202321111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190279164 + ... + 190279747.

Almost surely, 2^111123202012 is an apocalyptic number.

It is an amenable number.

111123202012 is a deficient number, since it is larger than the sum of its proper divisors (86006314404).

111123202012 is a wasteful number, since it uses less digits than its factorization.

111123202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380558988 (or 380558986 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 111123202012 its reverse (210202321111), we get a palindrome (321325523123).

The spelling of 111123202012 in words is "one hundred eleven billion, one hundred twenty-three million, two hundred two thousand, twelve".