22021311311939 has 2 divisors, whose sum is σ = 22021311311940. Its totient is φ = 22021311311938.

The previous prime is 22021311311933. The next prime is 22021311311947. The reversal of 22021311311939 is 93911311312022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22021311311939 - 2⁸ = 22021311311683 is a prime.

It is a super-2 number, since 2×22021311311939² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22021311311933) 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, 11010655655969 + 11010655655970.

It is an arithmetic number, because the mean of its divisors is an integer number (11010655655970).

Almost surely, 2^{22021311311939} is an apocalyptic number.

22021311311939 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021311311939 is an equidigital number, since it uses as much as digits as its factorization.

22021311311939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 22021311311939 in words is "twenty-two trillion, twenty-one billion, three hundred eleven million, three hundred eleven thousand, nine hundred thirty-nine".