22112020100012 has 12 divisors (see below), whose sum is σ = 38846603407080. Its totient is φ = 11012990555136.

The previous prime is 22112020100011. The next prime is 22112020100017. The reversal of 22112020100012 is 21000102021122.

It is a self number, because there is not a number n which added to its sum of digits gives 22112020100012.

It is not an unprimeable number, because it can be changed into a prime (22112020100011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10754872562 + ... + 10754874617.

It is an arithmetic number, because the mean of its divisors is an integer number (3237216950590).

Almost surely, 2^{22112020100012} is an apocalyptic number.

It is an amenable number.

22112020100012 is a deficient number, since it is larger than the sum of its proper divisors (16734583307068).

22112020100012 is a wasteful number, since it uses less digits than its factorization.

22112020100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21509747440 (or 21509747438 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22112020100012 its reverse (21000102021122), we get a palindrome (43112122121134).

The spelling of 22112020100012 in words is "twenty-two trillion, one hundred twelve billion, twenty million, one hundred thousand, twelve".