112200021100 has 36 divisors (see below), whose sum is σ = 243490681224. Its totient is φ = 44876942080.

The previous prime is 112200021083. The next prime is 112200021103. The reversal of 112200021100 is 1120002211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (112200021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1941219 + ... + 1998181.

It is an arithmetic number, because the mean of its divisors is an integer number (6763630034).

Almost surely, 2^112200021100 is an apocalyptic number.

112200021100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112200021100 is an abundant number, since it is smaller than the sum of its proper divisors (131290660124).

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

112200021100 is a wasteful number, since it uses less digits than its factorization.

112200021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76674 (or 76667 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 112200021100 its reverse (1120002211), we get a palindrome (113320023311).

The spelling of 112200021100 in words is "one hundred twelve billion, two hundred million, twenty-one thousand, one hundred".