22121102626 has 48 divisors (see below), whose sum is σ = 39478378752. Its totient is φ = 9265099200.

The previous prime is 22121102611. The next prime is 22121102669. The reversal of 22121102626 is 62620112122.

It is a self number, because there is not a number n which added to its sum of digits gives 22121102626.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3502011 + ... + 3508321.

It is an arithmetic number, because the mean of its divisors is an integer number (822466224).

Almost surely, 2^22121102626 is an apocalyptic number.

22121102626 is a deficient number, since it is larger than the sum of its proper divisors (17357276126).

22121102626 is a wasteful number, since it uses less digits than its factorization.

22121102626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7135 (or 7128 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 22121102626 its reverse (62620112122), we get a palindrome (84741214748).

The spelling of 22121102626 in words is "twenty-two billion, one hundred twenty-one million, one hundred two thousand, six hundred twenty-six".