2332312122221 has 4 divisors (see below), whose sum is σ = 2333951134272. Its totient is φ = 2330673110172.

The previous prime is 2332312122187. The next prime is 2332312122227. The reversal of 2332312122221 is 1222212132332.

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 2332312122221 - 2³⁴ = 2315132253037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2332312122227) 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, 819503891 + ... + 819506736.

It is an arithmetic number, because the mean of its divisors is an integer number (583487783568).

Almost surely, 2^{2332312122221} is an apocalyptic number.

It is an amenable number.

2332312122221 is a deficient number, since it is larger than the sum of its proper divisors (1639012051).

2332312122221 is a wasteful number, since it uses less digits than its factorization.

2332312122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639012050.

The product of its digits is 3456, while the sum is 26.

Adding to 2332312122221 its reverse (1222212132332), we get a palindrome (3554524254553).

The spelling of 2332312122221 in words is "two trillion, three hundred thirty-two billion, three hundred twelve million, one hundred twenty-two thousand, two hundred twenty-one".