23032000211221 has 2 divisors, whose sum is σ = 23032000211222. Its totient is φ = 23032000211220.

The previous prime is 23032000211197. The next prime is 23032000211239. The reversal of 23032000211221 is 12211200023032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15164053751025 + 7867946460196 = 3894105^2 + 2804986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23032000211221 is a prime.

It is a super-2 number, since 2×23032000211221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23032000211251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516000105610 + 11516000105611.

It is an arithmetic number, because the mean of its divisors is an integer number (11516000105611).

Almost surely, 2^{23032000211221} is an apocalyptic number.

It is an amenable number.

23032000211221 is a deficient number, since it is larger than the sum of its proper divisors (1).

23032000211221 is an equidigital number, since it uses as much as digits as its factorization.

23032000211221 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 19.

Adding to 23032000211221 its reverse (12211200023032), we get a palindrome (35243200234253).

The spelling of 23032000211221 in words is "twenty-three trillion, thirty-two billion, two hundred eleven thousand, two hundred twenty-one".