21132202322369 has 2 divisors, whose sum is σ = 21132202322370. Its totient is φ = 21132202322368.

The previous prime is 21132202322353. The next prime is 21132202322377. The reversal of 21132202322369 is 96322320223112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15114110209969 + 6018092112400 = 3887687^2 + 2453180^2 .

It is a cyclic number.

It is not a de Polignac number, because 21132202322369 - 2⁴ = 21132202322353 is a prime.

It is a super-2 number, since 2×21132202322369² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21132202322269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10566101161184 + 10566101161185.

It is an arithmetic number, because the mean of its divisors is an integer number (10566101161185).

Almost surely, 2^{21132202322369} is an apocalyptic number.

It is an amenable number.

21132202322369 is a deficient number, since it is larger than the sum of its proper divisors (1).

21132202322369 is an equidigital number, since it uses as much as digits as its factorization.

21132202322369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 21132202322369 in words is "twenty-one trillion, one hundred thirty-two billion, two hundred two million, three hundred twenty-two thousand, three hundred sixty-nine".