112111201992 has 16 divisors (see below), whose sum is σ = 280278005040. Its totient is φ = 37370400656.

The previous prime is 112111201991. The next prime is 112111201999. The reversal of 112111201992 is 299102111211.

It is a super-2 number, since 2×112111201992² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112111201991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335650018 + ... + 2335650065.

It is an arithmetic number, because the mean of its divisors is an integer number (17517375315).

Almost surely, 2^112111201992 is an apocalyptic number.

112111201992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112111201992 is an abundant number, since it is smaller than the sum of its proper divisors (168166803048).

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

112111201992 is a wasteful number, since it uses less digits than its factorization.

112111201992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671300092 (or 4671300088 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 30.

The spelling of 112111201992 in words is "one hundred twelve billion, one hundred eleven million, two hundred one thousand, nine hundred ninety-two".