132021131221 has 4 divisors (see below), whose sum is σ = 150881292832. Its totient is φ = 113160969612.

The previous prime is 132021131219. The next prime is 132021131243. The reversal of 132021131221 is 122131120231.

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.

It is a cyclic number.

It is not a de Polignac number, because 132021131221 - 2¹ = 132021131219 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 (132021131821) 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, 9430080795 + ... + 9430080808.

It is an arithmetic number, because the mean of its divisors is an integer number (37720323208).

Almost surely, 2^132021131221 is an apocalyptic number.

It is an amenable number.

132021131221 is a deficient number, since it is larger than the sum of its proper divisors (18860161611).

132021131221 is an equidigital number, since it uses as much as digits as its factorization.

132021131221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860161610.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 132021131221 its reverse (122131120231), we get a palindrome (254152251452).

The spelling of 132021131221 in words is "one hundred thirty-two billion, twenty-one million, one hundred thirty-one thousand, two hundred twenty-one".