22121631584903 has 2 divisors, whose sum is σ = 22121631584904. Its totient is φ = 22121631584902.

The previous prime is 22121631584881. The next prime is 22121631584959. The reversal of 22121631584903 is 30948513612122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121631584903 - 2¹⁸ = 22121631322759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121631584993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060815792451 + 11060815792452.

It is an arithmetic number, because the mean of its divisors is an integer number (11060815792452).

Almost surely, 2^{22121631584903} is an apocalyptic number.

22121631584903 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121631584903 is an equidigital number, since it uses as much as digits as its factorization.

22121631584903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 22121631584903 in words is "twenty-two trillion, one hundred twenty-one billion, six hundred thirty-one million, five hundred eighty-four thousand, nine hundred three".