232013075221 has 2 divisors, whose sum is σ = 232013075222. Its totient is φ = 232013075220.

The previous prime is 232013075191. The next prime is 232013075227. The reversal of 232013075221 is 122570310232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230448002500 + 1565072721 = 480050^2 + 39561^2 .

It is a cyclic number.

It is not a de Polignac number, because 232013075221 - 2¹⁹ = 232012550933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232013075221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232013075227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116006537610 + 116006537611.

It is an arithmetic number, because the mean of its divisors is an integer number (116006537611).

Almost surely, 2^232013075221 is an apocalyptic number.

It is an amenable number.

232013075221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232013075221 is an equidigital number, since it uses as much as digits as its factorization.

232013075221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 232013075221 its reverse (122570310232), we get a palindrome (354583385453).

The spelling of 232013075221 in words is "two hundred thirty-two billion, thirteen million, seventy-five thousand, two hundred twenty-one".