3122222021321 has 8 divisors (see below), whose sum is σ = 3402903705600. Its totient is φ = 2847327588432.

The previous prime is 3122222021299. The next prime is 3122222021339. The reversal of 3122222021321 is 1231202222213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122222021321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3122224021321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1446811721 + ... + 1446813878.

It is an arithmetic number, because the mean of its divisors is an integer number (425362963200).

Almost surely, 2^{3122222021321} is an apocalyptic number.

It is an amenable number.

3122222021321 is a deficient number, since it is larger than the sum of its proper divisors (280681684279).

3122222021321 is a wasteful number, since it uses less digits than its factorization.

3122222021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893625695.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 3122222021321 its reverse (1231202222213), we get a palindrome (4353424243534).

The spelling of 3122222021321 in words is "three trillion, one hundred twenty-two billion, two hundred twenty-two million, twenty-one thousand, three hundred twenty-one".