22132100323121 has 2 divisors, whose sum is σ = 22132100323122. Its totient is φ = 22132100323120.

The previous prime is 22132100323111. The next prime is 22132100323129. The reversal of 22132100323121 is 12132300123122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13016682642496 + 9115417680625 = 3607864^2 + 3019175^2 .

It is a cyclic number.

It is not a de Polignac number, because 22132100323121 - 2¹⁴ = 22132100306737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22132100323129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066050161560 + 11066050161561.

It is an arithmetic number, because the mean of its divisors is an integer number (11066050161561).

Almost surely, 2^{22132100323121} is an apocalyptic number.

It is an amenable number.

22132100323121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22132100323121 is an equidigital number, since it uses as much as digits as its factorization.

22132100323121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22132100323121 its reverse (12132300123122), we get a palindrome (34264400446243).

The spelling of 22132100323121 in words is "twenty-two trillion, one hundred thirty-two billion, one hundred million, three hundred twenty-three thousand, one hundred twenty-one".