112111012100 has 36 divisors (see below), whose sum is σ = 244913686500. Its totient is φ = 44543429760.

The previous prime is 112111012093. The next prime is 112111012103. The reversal of 112111012100 is 1210111211.

It can be written as a sum of positive squares in 6 ways, for example, as 2459961604 + 109651050496 = 49598^2 + 331136^2 .

It is not an unprimeable number, because it can be changed into a prime (112111012103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3747215 + ... + 3777014.

Almost surely, 2^112111012100 is an apocalyptic number.

112111012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112111012100 is an abundant number, since it is smaller than the sum of its proper divisors (132802674400).

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

112111012100 is a wasteful number, since it uses less digits than its factorization.

112111012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7524392 (or 7524385 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 112111012100 its reverse (1210111211), we get a palindrome (113321123311).

The spelling of 112111012100 in words is "one hundred twelve billion, one hundred eleven million, twelve thousand, one hundred".