22201102211212 has 36 divisors (see below), whose sum is σ = 41198724471576. Its totient is φ = 10466471090880.

The previous prime is 22201102211209. The next prime is 22201102211237. The reversal of 22201102211212 is 21211220110222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22201102211212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36128313 + ... + 36737680.

Almost surely, 2^{22201102211212} is an apocalyptic number.

It is an amenable number.

22201102211212 is a deficient number, since it is larger than the sum of its proper divisors (18997622260364).

22201102211212 is a wasteful number, since it uses less digits than its factorization.

22201102211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72866246 (or 72866225 counting only the distinct ones).

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

Adding to 22201102211212 its reverse (21211220110222), we get a palindrome (43412322321434).

The spelling of 22201102211212 in words is "twenty-two trillion, two hundred one billion, one hundred two million, two hundred eleven thousand, two hundred twelve".