132321122221 has 4 divisors (see below), whose sum is σ = 133631232444. Its totient is φ = 131011012000.

The previous prime is 132321122201. The next prime is 132321122237. The reversal of 132321122221 is 122221123231.

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 105748536100 + 26572586121 = 325190^2 + 163011^2 .

It is a cyclic number.

It is not a de Polignac number, because 132321122221 - 2⁷ = 132321122093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132321122192 and 132321122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132321122201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655054960 + ... + 655055161.

It is an arithmetic number, because the mean of its divisors is an integer number (33407808111).

Almost surely, 2^132321122221 is an apocalyptic number.

It is an amenable number.

132321122221 is a deficient number, since it is larger than the sum of its proper divisors (1310110223).

132321122221 is a wasteful number, since it uses less digits than its factorization.

132321122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310110222.

The product of its digits is 576, while the sum is 22.

Adding to 132321122221 its reverse (122221123231), we get a palindrome (254542245452).

The spelling of 132321122221 in words is "one hundred thirty-two billion, three hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-one".