111010110999972 has 48 divisors (see below), whose sum is σ = 267995219708160. Its totient is φ = 35722088131072.

The previous prime is 111010110999971. The next prime is 111010110999973. The reversal of 111010110999972 is 279999011010111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111010110999971) and next prime (111010110999973).

It is a super-2 number, since 2×111010110999972² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111010110999971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21330348 + ... + 26019299.

It is an arithmetic number, because the mean of its divisors is an integer number (5583233743920).

Almost surely, 2^{111010110999972} is an apocalyptic number.

111010110999972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111010110999972 is an abundant number, since it is smaller than the sum of its proper divisors (156985108708188).

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

111010110999972 is a wasteful number, since it uses less digits than its factorization.

111010110999972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47356420 (or 47356418 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 51.

The spelling of 111010110999972 in words is "one hundred eleven trillion, ten billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred seventy-two".