321223303322081 has 2 divisors, whose sum is σ = 321223303322082. Its totient is φ = 321223303322080.

The previous prime is 321223303322017. The next prime is 321223303322149. The reversal of 321223303322081 is 180223303322123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168109506147025 + 153113797175056 = 12965705^2 + 12373916^2 .

It is a cyclic number.

It is not a de Polignac number, because 321223303322081 - 2⁶ = 321223303322017 is a prime.

It is a super-2 number, since 2×321223303322081² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321223309322081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160611651661040 + 160611651661041.

It is an arithmetic number, because the mean of its divisors is an integer number (160611651661041).

Almost surely, 2^{321223303322081} is an apocalyptic number.

It is an amenable number.

321223303322081 is a deficient number, since it is larger than the sum of its proper divisors (1).

321223303322081 is an equidigital number, since it uses as much as digits as its factorization.

321223303322081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 321223303322081 in words is "three hundred twenty-one trillion, two hundred twenty-three billion, three hundred three million, three hundred twenty-two thousand, eighty-one".