3330204440021 has 2 divisors, whose sum is σ = 3330204440022. Its totient is φ = 3330204440020.

The previous prime is 3330204440011. The next prime is 3330204440029. The reversal of 3330204440021 is 1200444020333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3264417832900 + 65786607121 = 1806770^2 + 256489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3330204440021 is a prime.

It is a super-2 number, since 2×3330204440021² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3330204440029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665102220010 + 1665102220011.

It is an arithmetic number, because the mean of its divisors is an integer number (1665102220011).

Almost surely, 2^{3330204440021} is an apocalyptic number.

It is an amenable number.

3330204440021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3330204440021 is an equidigital number, since it uses as much as digits as its factorization.

3330204440021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 3330204440021 its reverse (1200444020333), we get a palindrome (4530648460354).

The spelling of 3330204440021 in words is "three trillion, three hundred thirty billion, two hundred four million, four hundred forty thousand, twenty-one".