13310333232221 has 2 divisors, whose sum is σ = 13310333232222. Its totient is φ = 13310333232220.

The previous prime is 13310333232199. The next prime is 13310333232233. The reversal of 13310333232221 is 12223233301331.

13310333232221 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., 7459376966596 + 5850956265625 = 2731186^2 + 2418875^2 .

It is a cyclic number.

It is not a de Polignac number, because 13310333232221 - 2¹⁰ = 13310333231197 is a prime.

It is a super-2 number, since 2×13310333232221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13310333232271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655166616110 + 6655166616111.

It is an arithmetic number, because the mean of its divisors is an integer number (6655166616111).

Almost surely, 2^{13310333232221} is an apocalyptic number.

It is an amenable number.

13310333232221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13310333232221 is an equidigital number, since it uses as much as digits as its factorization.

13310333232221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 13310333232221 its reverse (12223233301331), we get a palindrome (25533566533552).

The spelling of 13310333232221 in words is "thirteen trillion, three hundred ten billion, three hundred thirty-three million, two hundred thirty-two thousand, two hundred twenty-one".