321112022311 has 2 divisors, whose sum is σ = 321112022312. Its totient is φ = 321112022310.

The previous prime is 321112022267. The next prime is 321112022489. The reversal of 321112022311 is 113220211123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321112022311 - 2⁹ = 321112021799 is a prime.

It is a super-2 number, since 2×321112022311² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321112022711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160556011155 + 160556011156.

It is an arithmetic number, because the mean of its divisors is an integer number (160556011156).

Almost surely, 2^321112022311 is an apocalyptic number.

321112022311 is a deficient number, since it is larger than the sum of its proper divisors (1).

321112022311 is an equidigital number, since it uses as much as digits as its factorization.

321112022311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 321112022311 its reverse (113220211123), we get a palindrome (434332233434).

The spelling of 321112022311 in words is "three hundred twenty-one billion, one hundred twelve million, twenty-two thousand, three hundred eleven".