112112100021100 has 36 divisors (see below), whose sum is σ = 243400842442800. Its totient is φ = 44823165280960.

The previous prime is 112112100021083. The next prime is 112112100021133. The reversal of 112112100021100 is 1120001211211.

It is a happy number.

It is a super-2 number, since 2×112112100021100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270726160 + ... + 271139959.

It is an arithmetic number, because the mean of its divisors is an integer number (6761134512300).

Almost surely, 2^{112112100021100} is an apocalyptic number.

112112100021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112112100021100 is an abundant number, since it is smaller than the sum of its proper divisors (131288742421700).

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

112112100021100 is a wasteful number, since it uses less digits than its factorization.

112112100021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541868202 (or 541868195 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 112112100021100 its reverse (1120001211211), we get a palindrome (113232101232311).

The spelling of 112112100021100 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred million, twenty-one thousand, one hundred".