22201211220112 has 20 divisors (see below), whose sum is σ = 43559338472320. Its totient is φ = 10960091614368.

The previous prime is 22201211220047. The next prime is 22201211220143. The reversal of 22201211220112 is 21102211210222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201211220112.

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, 8782123428 + ... + 8782125955.

It is an arithmetic number, because the mean of its divisors is an integer number (2177966923616).

Almost surely, 2^{22201211220112} is an apocalyptic number.

It is an amenable number.

22201211220112 is a deficient number, since it is larger than the sum of its proper divisors (21358127252208).

22201211220112 is a wasteful number, since it uses less digits than its factorization.

22201211220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17564249470 (or 17564249464 counting only the distinct ones).

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

Adding to 22201211220112 its reverse (21102211210222), we get a palindrome (43303422430334).

The spelling of 22201211220112 in words is "twenty-two trillion, two hundred one billion, two hundred eleven million, two hundred twenty thousand, one hundred twelve".