22100212112 has 20 divisors (see below), whose sum is σ = 46711812336. Its totient is φ = 10045550880.

The previous prime is 22100212111. The next prime is 22100212151. The reversal of 22100212112 is 21121200122.

It is not an unprimeable number, because it can be changed into a prime (22100212111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62784518 + ... + 62784869.

Almost surely, 2^22100212112 is an apocalyptic number.

22100212112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22100212112 is an abundant number, since it is smaller than the sum of its proper divisors (24611600224).

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

22100212112 is a wasteful number, since it uses less digits than its factorization.

22100212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125569406 (or 125569400 counting only the distinct ones).

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

Adding to 22100212112 its reverse (21121200122), we get a palindrome (43221412234).

The spelling of 22100212112 in words is "twenty-two billion, one hundred million, two hundred twelve thousand, one hundred twelve".