111120023112 has 64 divisors (see below), whose sum is σ = 324869191680. Its totient is φ = 31010236992.

The previous prime is 111120023101. The next prime is 111120023137. The reversal of 111120023112 is 211320021111.

It is a super-2 number, since 2×111120023112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111120023091 and 111120023100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7683808 + ... + 7698255.

It is an arithmetic number, because the mean of its divisors is an integer number (5076081120).

Almost surely, 2^111120023112 is an apocalyptic number.

111120023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111120023112 is an abundant number, since it is smaller than the sum of its proper divisors (213749168568).

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

111120023112 is a wasteful number, since it uses less digits than its factorization.

111120023112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15382122 (or 15382118 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111120023112 its reverse (211320021111), we get a palindrome (322440044223).

The spelling of 111120023112 in words is "one hundred eleven billion, one hundred twenty million, twenty-three thousand, one hundred twelve".