112122001100 has 72 divisors (see below), whose sum is σ = 255960961200. Its totient is φ = 42568288000.

The previous prime is 112122001049. The next prime is 112122001163. The reversal of 112122001100 is 1100221211.

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, 156551 + ... + 498750.

It is an arithmetic number, because the mean of its divisors is an integer number (3555013350).

Almost surely, 2^112122001100 is an apocalyptic number.

112122001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112122001100 is an abundant number, since it is smaller than the sum of its proper divisors (143838960100).

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

112122001100 is a wasteful number, since it uses less digits than its factorization.

112122001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655403 (or 655396 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112122001100 its reverse (1100221211), we get a palindrome (113222222311).

The spelling of 112122001100 in words is "one hundred twelve billion, one hundred twenty-two million, one thousand, one hundred".