22121631584959 has 2 divisors, whose sum is σ = 22121631584960. Its totient is φ = 22121631584958.

The previous prime is 22121631584903. The next prime is 22121631584993. The reversal of 22121631584959 is 95948513612122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22121631584959 - 2⁷ = 22121631584831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121631584659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060815792479 + 11060815792480.

It is an arithmetic number, because the mean of its divisors is an integer number (11060815792480).

Almost surely, 2^{22121631584959} is an apocalyptic number.

22121631584959 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121631584959 is an equidigital number, since it uses as much as digits as its factorization.

22121631584959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 58.

The spelling of 22121631584959 in words is "twenty-two trillion, one hundred twenty-one billion, six hundred thirty-one million, five hundred eighty-four thousand, nine hundred fifty-nine".