22102121022112 has 24 divisors (see below), whose sum is σ = 43514218784736. Its totient is φ = 11050890854592.

The previous prime is 22102121022053. The next prime is 22102121022193. The reversal of 22102121022112 is 21122012120122.

It is a self number, because there is not a number n which added to its sum of digits gives 22102121022112.

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, 3171618 + ... + 7366369.

It is an arithmetic number, because the mean of its divisors is an integer number (1813092449364).

Almost surely, 2^{22102121022112} is an apocalyptic number.

It is an amenable number.

22102121022112 is a deficient number, since it is larger than the sum of its proper divisors (21412097762624).

22102121022112 is a wasteful number, since it uses less digits than its factorization.

22102121022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603540 (or 10603532 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22102121022112 its reverse (21122012120122), we get a palindrome (43224133142234).

The spelling of 22102121022112 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-one million, twenty-two thousand, one hundred twelve".