132320210221 has 2 divisors, whose sum is σ = 132320210222. Its totient is φ = 132320210220.

The previous prime is 132320210219. The next prime is 132320210261. The reversal of 132320210221 is 122012023231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123316857225 + 9003352996 = 351165^2 + 94886^2 .

It is a cyclic number.

It is not a de Polignac number, because 132320210221 - 2¹ = 132320210219 is a prime.

Together with 132320210219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132320210261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66160105110 + 66160105111.

It is an arithmetic number, because the mean of its divisors is an integer number (66160105111).

Almost surely, 2^132320210221 is an apocalyptic number.

It is an amenable number.

132320210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

132320210221 is an equidigital number, since it uses as much as digits as its factorization.

132320210221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 132320210221 its reverse (122012023231), we get a palindrome (254332233452).

The spelling of 132320210221 in words is "one hundred thirty-two billion, three hundred twenty million, two hundred ten thousand, two hundred twenty-one".