111100022120120 has 32 divisors (see below), whose sum is σ = 272700054295920. Its totient is φ = 40400008043520.

The previous prime is 111100022120033. The next prime is 111100022120141. The reversal of 111100022120120 is 21021220001111.

It is a junction number, because it is equal to n+sod(n) for n = 111100022120095 and 111100022120104.

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, 126250024697 + ... + 126250025576.

Almost surely, 2^{111100022120120} is an apocalyptic number.

111100022120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111100022120120 is an abundant number, since it is smaller than the sum of its proper divisors (161600032175800).

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

111100022120120 is a wasteful number, since it uses less digits than its factorization.

111100022120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252500050295 (or 252500050291 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111100022120120 its reverse (21021220001111), we get a palindrome (132121242121231).

The spelling of 111100022120120 in words is "one hundred eleven trillion, one hundred billion, twenty-two million, one hundred twenty thousand, one hundred twenty".