111023023120 has 40 divisors (see below), whose sum is σ = 258146066880. Its totient is φ = 44406192000.

The previous prime is 111023023109. The next prime is 111023023147. The reversal of 111023023120 is 21320320111.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×111023023120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111023023094 and 111023023103.

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, 1422061 + ... + 1498099.

It is an arithmetic number, because the mean of its divisors is an integer number (6453651672).

Almost surely, 2^111023023120 is an apocalyptic number.

111023023120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111023023120 is an abundant number, since it is smaller than the sum of its proper divisors (147123043760).

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

111023023120 is a wasteful number, since it uses less digits than its factorization.

111023023120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94303 (or 94297 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 111023023120 its reverse (21320320111), we get a palindrome (132343343231).

The spelling of 111023023120 in words is "one hundred eleven billion, twenty-three million, twenty-three thousand, one hundred twenty".