22399441121 has 2 divisors, whose sum is σ = 22399441122. Its totient is φ = 22399441120.

The previous prime is 22399441093. The next prime is 22399441123. The reversal of 22399441121 is 12114499322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22125075025 + 274366096 = 148745^2 + 16564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22399441121 is a prime.

Together with 22399441123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22399441123) 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, 11199720560 + 11199720561.

It is an arithmetic number, because the mean of its divisors is an integer number (11199720561).

Almost surely, 2^22399441121 is an apocalyptic number.

It is an amenable number.

22399441121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22399441121 is an equidigital number, since it uses as much as digits as its factorization.

22399441121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The spelling of 22399441121 in words is "twenty-two billion, three hundred ninety-nine million, four hundred forty-one thousand, one hundred twenty-one".