132331322320021 has 6 divisors (see below), whose sum is σ = 145455089822966. Its totient is φ = 120301202109000.

The previous prime is 132331322320009. The next prime is 132331322320027. The reversal of 132331322320021 is 120023223133231.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 94110662134225 + 38220660185796 = 9701065^2 + 6182286^2 .

It is not a de Polignac number, because 132331322320021 - 2⁹ = 132331322319509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132331322320027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 546823645830 + ... + 546823646071.

Almost surely, 2^{132331322320021} is an apocalyptic number.

132331322320021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132331322320021 is a deficient number, since it is larger than the sum of its proper divisors (13123767502945).

132331322320021 is a wasteful number, since it uses less digits than its factorization.

132331322320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093647291923 (or 1093647291912 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 132331322320021 its reverse (120023223133231), we get a palindrome (252354545453252).

The spelling of 132331322320021 in words is "one hundred thirty-two trillion, three hundred thirty-one billion, three hundred twenty-two million, three hundred twenty thousand, twenty-one".