3320031020021 has 2 divisors, whose sum is σ = 3320031020022. Its totient is φ = 3320031020020.

The previous prime is 3320031020017. The next prime is 3320031020161. The reversal of 3320031020021 is 1200201300233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3319359691921 + 671328100 = 1821911^2 + 25910^2 .

It is a cyclic number.

It is not a de Polignac number, because 3320031020021 - 2² = 3320031020017 is a prime.

It is a super-2 number, since 2×3320031020021² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3320031020521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660015510010 + 1660015510011.

It is an arithmetic number, because the mean of its divisors is an integer number (1660015510011).

Almost surely, 2^{3320031020021} is an apocalyptic number.

It is an amenable number.

3320031020021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3320031020021 is an equidigital number, since it uses as much as digits as its factorization.

3320031020021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 3320031020021 its reverse (1200201300233), we get a palindrome (4520232320254).

The spelling of 3320031020021 in words is "three trillion, three hundred twenty billion, thirty-one million, twenty thousand, twenty-one".