132232100132221 has 4 divisors (see below), whose sum is σ = 132313674532444. Its totient is φ = 132150525732000.

The previous prime is 132232100132147. The next prime is 132232100132227. The reversal of 132232100132221 is 122231001232231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47002830051321 + 85229270080900 = 6855861^2 + 9231970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132232100132221 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 (132232100132227) 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, 40787197680 + ... + 40787200921.

It is an arithmetic number, because the mean of its divisors is an integer number (33078418633111).

Almost surely, 2^{132232100132221} is an apocalyptic number.

It is an amenable number.

132232100132221 is a deficient number, since it is larger than the sum of its proper divisors (81574400223).

132232100132221 is an equidigital number, since it uses as much as digits as its factorization.

132232100132221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81574400222.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 132232100132221 its reverse (122231001232231), we get a palindrome (254463101364452).

The spelling of 132232100132221 in words is "one hundred thirty-two trillion, two hundred thirty-two billion, one hundred million, one hundred thirty-two thousand, two hundred twenty-one".