22021311311959 has 2 divisors, whose sum is σ = 22021311311960. Its totient is φ = 22021311311958.

The previous prime is 22021311311947. The next prime is 22021311311971. The reversal of 22021311311959 is 95911311312022.

It is a balanced prime because it is at equal distance from previous prime (22021311311947) and next prime (22021311311971).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021311311959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021311311929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010655655979 + 11010655655980.

It is an arithmetic number, because the mean of its divisors is an integer number (11010655655980).

Almost surely, 2^{22021311311959} is an apocalyptic number.

22021311311959 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021311311959 is an equidigital number, since it uses as much as digits as its factorization.

22021311311959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 22021311311959 in words is "twenty-two trillion, twenty-one billion, three hundred eleven million, three hundred eleven thousand, nine hundred fifty-nine".