322020312121 has 2 divisors, whose sum is σ = 322020312122. Its totient is φ = 322020312120.

The previous prime is 322020312109. The next prime is 322020312161. The reversal of 322020312121 is 121213020223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 316478254096 + 5542058025 = 562564^2 + 74445^2 .

It is a cyclic number.

It is not a de Polignac number, because 322020312121 - 2⁹ = 322020311609 is a prime.

It is not a weakly prime, because it can be changed into another prime (322020312161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161010156060 + 161010156061.

It is an arithmetic number, because the mean of its divisors is an integer number (161010156061).

Almost surely, 2^322020312121 is an apocalyptic number.

It is an amenable number.

322020312121 is a deficient number, since it is larger than the sum of its proper divisors (1).

322020312121 is an equidigital number, since it uses as much as digits as its factorization.

322020312121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 322020312121 its reverse (121213020223), we get a palindrome (443233332344).

The spelling of 322020312121 in words is "three hundred twenty-two billion, twenty million, three hundred twelve thousand, one hundred twenty-one".