112000021100 has 72 divisors (see below), whose sum is σ = 267759956016. Its totient is φ = 40324000000.

The previous prime is 112000021099. The next prime is 112000021109. The reversal of 112000021100 is 1120000211.

It is not an unprimeable number, because it can be changed into a prime (112000021109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 392951 + ... + 615150.

It is an arithmetic number, because the mean of its divisors is an integer number (3718888278).

Almost surely, 2^112000021100 is an apocalyptic number.

112000021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112000021100 is an abundant number, since it is smaller than the sum of its proper divisors (155759934916).

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

112000021100 is a wasteful number, since it uses less digits than its factorization.

112000021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008227 (or 1008220 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 112000021100 its reverse (1120000211), we get a palindrome (113120021311).

112000021100 divided by its reverse (1120000211) gives a square (100 = 10²).

The spelling of 112000021100 in words is "one hundred twelve billion, twenty-one thousand, one hundred".