112222120100 has 36 divisors (see below), whose sum is σ = 245933131668. Its totient is φ = 44444400000.

The previous prime is 112222120093. The next prime is 112222120123. The reversal of 112222120100 is 1021222211.

It can be written as a sum of positive squares in 6 ways, for example, as 25710839716 + 86511280384 = 160346^2 + 294128^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5545451 + ... + 5565650.

Almost surely, 2^112222120100 is an apocalyptic number.

112222120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112222120100 is an abundant number, since it is smaller than the sum of its proper divisors (133711011568).

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

112222120100 is a wasteful number, since it uses less digits than its factorization.

112222120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111216 (or 11111209 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112222120100 its reverse (1021222211), we get a palindrome (113243342311).

The spelling of 112222120100 in words is "one hundred twelve billion, two hundred twenty-two million, one hundred twenty thousand, one hundred".