332131213121 has 4 divisors (see below), whose sum is σ = 346571700672. Its totient is φ = 317690725572.

The previous prime is 332131213091. The next prime is 332131213151. The reversal of 332131213121 is 121312131233.

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 an interprime number because it is at equal distance from previous prime (332131213091) and next prime (332131213151).

It is a cyclic number.

It is not a de Polignac number, because 332131213121 - 2¹⁰ = 332131212097 is a prime.

It is a super-2 number, since 2×332131213121² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 14440487527 = 332131213121 / (3 + 3 + 2 + 1 + 3 + 1 + 2 + 1 + 3 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332131213151) 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, 7220243741 + ... + 7220243786.

It is an arithmetic number, because the mean of its divisors is an integer number (86642925168).

Almost surely, 2^332131213121 is an apocalyptic number.

It is an amenable number.

332131213121 is a deficient number, since it is larger than the sum of its proper divisors (14440487551).

332131213121 is a wasteful number, since it uses less digits than its factorization.

332131213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440487550.

The product of its digits is 648, while the sum is 23.

Adding to 332131213121 its reverse (121312131233), we get a palindrome (453443344354).

The spelling of 332131213121 in words is "three hundred thirty-two billion, one hundred thirty-one million, two hundred thirteen thousand, one hundred twenty-one".