22102211212212 has 48 divisors (see below), whose sum is σ = 52342187051840. Its totient is φ = 7257354838272.

The previous prime is 22102211212189. The next prime is 22102211212283. The reversal of 22102211212212 is 21221211220122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126813864 + ... + 126988032.

Almost surely, 2^{22102211212212} is an apocalyptic number.

It is an amenable number.

22102211212212 is an abundant number, since it is smaller than the sum of its proper divisors (30239975839628).

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

22102211212212 is a wasteful number, since it uses less digits than its factorization.

22102211212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332080 (or 332078 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22102211212212 its reverse (21221211220122), we get a palindrome (43323422432334).

The spelling of 22102211212212 in words is "twenty-two trillion, one hundred two billion, two hundred eleven million, two hundred twelve thousand, two hundred twelve".