22101433212 has 12 divisors (see below), whose sum is σ = 51570010856. Its totient is φ = 7367144400.

The previous prime is 22101433187. The next prime is 22101433241. The reversal of 22101433212 is 21233410122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920893039 + ... + 920893062.

Almost surely, 2^22101433212 is an apocalyptic number.

It is an amenable number.

22101433212 is an abundant number, since it is smaller than the sum of its proper divisors (29468577644).

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

22101433212 is a wasteful number, since it uses less digits than its factorization.

22101433212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841786108 (or 1841786106 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22101433212 its reverse (21233410122), we get a palindrome (43334843334).

The spelling of 22101433212 in words is "twenty-two billion, one hundred one million, four hundred thirty-three thousand, two hundred twelve".