132320322221 has 4 divisors (see below), whose sum is σ = 136588719744. Its totient is φ = 128051924700.

The previous prime is 132320322203. The next prime is 132320322263. The reversal of 132320322221 is 122223023231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122223023231 = 673 ⋅181609247.

It is a cyclic number.

It is not a de Polignac number, because 132320322221 - 2⁶ = 132320322157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132320342221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134198715 + ... + 2134198776.

It is an arithmetic number, because the mean of its divisors is an integer number (34147179936).

Almost surely, 2^132320322221 is an apocalyptic number.

It is an amenable number.

132320322221 is a deficient number, since it is larger than the sum of its proper divisors (4268397523).

132320322221 is an equidigital number, since it uses as much as digits as its factorization.

132320322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4268397522.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 132320322221 its reverse (122223023231), we get a palindrome (254543345452).

The spelling of 132320322221 in words is "one hundred thirty-two billion, three hundred twenty million, three hundred twenty-two thousand, two hundred twenty-one".