13330202120321 has 2 divisors, whose sum is σ = 13330202120322. Its totient is φ = 13330202120320.

The previous prime is 13330202120251. The next prime is 13330202120383. The reversal of 13330202120321 is 12302120203331.

13330202120321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12365807415025 + 964394705296 = 3516505^2 + 982036^2 .

It is a cyclic number.

It is not a de Polignac number, because 13330202120321 - 2⁴² = 8932155609217 is a prime.

It is a super-2 number, since 2×13330202120321² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13330202120821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665101060160 + 6665101060161.

It is an arithmetic number, because the mean of its divisors is an integer number (6665101060161).

Almost surely, 2^{13330202120321} is an apocalyptic number.

It is an amenable number.

13330202120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13330202120321 is an equidigital number, since it uses as much as digits as its factorization.

13330202120321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 13330202120321 its reverse (12302120203331), we get a palindrome (25632322323652).

The spelling of 13330202120321 in words is "thirteen trillion, three hundred thirty billion, two hundred two million, one hundred twenty thousand, three hundred twenty-one".