111010200920 has 32 divisors (see below), whose sum is σ = 249887775600. Its totient is φ = 44383667328.

The previous prime is 111010200919. The next prime is 111010200941. The reversal of 111010200920 is 29002010111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549659 + ... + 723978.

Almost surely, 2^111010200920 is an apocalyptic number.

111010200920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111010200920 is an abundant number, since it is smaller than the sum of its proper divisors (138877574680).

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

111010200920 is a wasteful number, since it uses less digits than its factorization.

111010200920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275827 (or 1275823 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 111010200920 in words is "one hundred eleven billion, ten million, two hundred thousand, nine hundred twenty".