22121310269 has 2 divisors, whose sum is σ = 22121310270. Its totient is φ = 22121310268.

The previous prime is 22121310259. The next prime is 22121310307. The reversal of 22121310269 is 96201312122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18868319044 + 3252991225 = 137362^2 + 57035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22121310269 is a prime.

It is a super-2 number, since 2×22121310269² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121310259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060655134 + 11060655135.

It is an arithmetic number, because the mean of its divisors is an integer number (11060655135).

Almost surely, 2^22121310269 is an apocalyptic number.

It is an amenable number.

22121310269 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121310269 is an equidigital number, since it uses as much as digits as its factorization.

22121310269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 22121310269 in words is "twenty-two billion, one hundred twenty-one million, three hundred ten thousand, two hundred sixty-nine".