22112102221100 has 36 divisors (see below), whose sum is σ = 47983544288904. Its totient is φ = 8844788820480.

The previous prime is 22112102221063. The next prime is 22112102221177. The reversal of 22112102221100 is 112220121122.

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, 19536284 + ... + 20637116.

Almost surely, 2^{22112102221100} is an apocalyptic number.

22112102221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22112102221100 is an abundant number, since it is smaller than the sum of its proper divisors (25871442067804).

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

22112102221100 is a wasteful number, since it uses less digits than its factorization.

22112102221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301714 (or 1301707 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22112102221100 its reverse (112220121122), we get a palindrome (22224322342222).

The spelling of 22112102221100 in words is "twenty-two trillion, one hundred twelve billion, one hundred two million, two hundred twenty-one thousand, one hundred".