111021000112 has 20 divisors (see below), whose sum is σ = 234658023336. Its totient is φ = 50464090880.

The previous prime is 111021000091. The next prime is 111021000157. The reversal of 111021000112 is 211000120111.

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, 315400393 + ... + 315400744.

Almost surely, 2^111021000112 is an apocalyptic number.

It is an amenable number.

111021000112 is an abundant number, since it is smaller than the sum of its proper divisors (123637023224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111021000112 is a wasteful number, since it uses less digits than its factorization.

111021000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630801156 (or 630801150 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111021000112 its reverse (211000120111), we get a palindrome (322021120223).

The spelling of 111021000112 in words is "one hundred eleven billion, twenty-one million, one hundred twelve", and thus it is an aban number.