13330323116021 has 2 divisors, whose sum is σ = 13330323116022. Its totient is φ = 13330323116020.

The previous prime is 13330323115979. The next prime is 13330323116039. The reversal of 13330323116021 is 12061132303331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11067964191025 + 2262358924996 = 3326855^2 + 1504114^2 .

It is a cyclic number.

It is not a de Polignac number, because 13330323116021 - 2⁶ = 13330323115957 is a prime.

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 (13330323116221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665161558010 + 6665161558011.

It is an arithmetic number, because the mean of its divisors is an integer number (6665161558011).

Almost surely, 2^{13330323116021} is an apocalyptic number.

It is an amenable number.

13330323116021 is a deficient number, since it is larger than the sum of its proper divisors (1).

13330323116021 is an equidigital number, since it uses as much as digits as its factorization.

13330323116021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 13330323116021 its reverse (12061132303331), we get a palindrome (25391455419352).

The spelling of 13330323116021 in words is "thirteen trillion, three hundred thirty billion, three hundred twenty-three million, one hundred sixteen thousand, twenty-one".