112021100100100 has 72 divisors (see below), whose sum is σ = 245007009658880. Its totient is φ = 44454318289920.

The previous prime is 112021100100083. The next prime is 112021100100113. The reversal of 112021100100100 is 1001001120211.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515625697 + ... + 515842903.

Almost surely, 2^{112021100100100} is an apocalyptic number.

112021100100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021100100100 is an abundant number, since it is smaller than the sum of its proper divisors (132985909558780).

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

112021100100100 is a wasteful number, since it uses less digits than its factorization.

112021100100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257957 (or 257950 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 112021100100100 its reverse (1001001120211), we get a palindrome (113022101220311).

The spelling of 112021100100100 in words is "one hundred twelve trillion, twenty-one billion, one hundred million, one hundred thousand, one hundred".