22504633121 has 2 divisors, whose sum is σ = 22504633122. Its totient is φ = 22504633120.

The previous prime is 22504633111. The next prime is 22504633171. The reversal of 22504633121 is 12133640522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16975223521 + 5529409600 = 130289^2 + 74360^2 .

It is a cyclic number.

It is not a de Polignac number, because 22504633121 - 2⁶ = 22504633057 is a prime.

It is not a weakly prime, because it can be changed into another prime (22504633111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11252316560 + 11252316561.

It is an arithmetic number, because the mean of its divisors is an integer number (11252316561).

Almost surely, 2^22504633121 is an apocalyptic number.

It is an amenable number.

22504633121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22504633121 is an equidigital number, since it uses as much as digits as its factorization.

22504633121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 22504633121 in words is "twenty-two billion, five hundred four million, six hundred thirty-three thousand, one hundred twenty-one".