3122203320221 has 4 divisors (see below), whose sum is σ = 3166178014944. Its totient is φ = 3078228625500.

The previous prime is 3122203320193. The next prime is 3122203320227. The reversal of 3122203320221 is 1220233022213.

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 3122203320221 - 2⁶ = 3122203320157 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 (3122203320227) 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, 21987347255 + ... + 21987347396.

It is an arithmetic number, because the mean of its divisors is an integer number (791544503736).

Almost surely, 2^{3122203320221} is an apocalyptic number.

It is an amenable number.

3122203320221 is a deficient number, since it is larger than the sum of its proper divisors (43974694723).

3122203320221 is an equidigital number, since it uses as much as digits as its factorization.

3122203320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43974694722.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 3122203320221 its reverse (1220233022213), we get a palindrome (4342436342434).

The spelling of 3122203320221 in words is "three trillion, one hundred twenty-two billion, two hundred three million, three hundred twenty thousand, two hundred twenty-one".