22076938091521 has 2 divisors, whose sum is σ = 22076938091522. Its totient is φ = 22076938091520.

The previous prime is 22076938091503. The next prime is 22076938091563. The reversal of 22076938091521 is 12519083967022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18712208229121 + 3364729862400 = 4325761^2 + 1834320^2 .

It is a cyclic number.

It is not a de Polignac number, because 22076938091521 - 2⁷ = 22076938091393 is a prime.

It is not a weakly prime, because it can be changed into another prime (22076938091591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11038469045760 + 11038469045761.

It is an arithmetic number, because the mean of its divisors is an integer number (11038469045761).

Almost surely, 2^{22076938091521} is an apocalyptic number.

It is an amenable number.

22076938091521 is a deficient number, since it is larger than the sum of its proper divisors (1).

22076938091521 is an equidigital number, since it uses as much as digits as its factorization.

22076938091521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 22076938091521 in words is "twenty-two trillion, seventy-six billion, nine hundred thirty-eight million, ninety-one thousand, five hundred twenty-one".