3331021322081 has 2 divisors, whose sum is σ = 3331021322082. Its totient is φ = 3331021322080.

The previous prime is 3331021322077. The next prime is 3331021322159. The reversal of 3331021322081 is 1802231201333.

3331021322081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3243183181456 + 87838140625 = 1800884^2 + 296375^2 .

It is an emirp because it is prime and its reverse (1802231201333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3331021322081 - 2² = 3331021322077 is a prime.

It is a super-2 number, since 2×3331021322081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3331021382081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665510661040 + 1665510661041.

It is an arithmetic number, because the mean of its divisors is an integer number (1665510661041).

Almost surely, 2^{3331021322081} is an apocalyptic number.

It is an amenable number.

3331021322081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3331021322081 is an equidigital number, since it uses as much as digits as its factorization.

3331021322081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 3331021322081 in words is "three trillion, three hundred thirty-one billion, twenty-one million, three hundred twenty-two thousand, eighty-one".