22112300011261 has 2 divisors, whose sum is σ = 22112300011262. Its totient is φ = 22112300011260.

The previous prime is 22112300011247. The next prime is 22112300011363. The reversal of 22112300011261 is 16211000321122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20192396024025 + 1919903987236 = 4493595^2 + 1385606^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112300011261 - 2³⁹ = 21562544197373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112300011211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056150005630 + 11056150005631.

It is an arithmetic number, because the mean of its divisors is an integer number (11056150005631).

Almost surely, 2^{22112300011261} is an apocalyptic number.

It is an amenable number.

22112300011261 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112300011261 is an equidigital number, since it uses as much as digits as its factorization.

22112300011261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 22112300011261 its reverse (16211000321122), we get a palindrome (38323300332383).

The spelling of 22112300011261 in words is "twenty-two trillion, one hundred twelve billion, three hundred million, eleven thousand, two hundred sixty-one".