13302311013221 has 2 divisors, whose sum is σ = 13302311013222. Its totient is φ = 13302311013220.

The previous prime is 13302311013217. The next prime is 13302311013241. The reversal of 13302311013221 is 12231011320331.

13302311013221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12439940620900 + 862370392321 = 3527030^2 + 928639^2 .

It is a cyclic number.

It is not a de Polignac number, because 13302311013221 - 2² = 13302311013217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13302311013241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6651155506610 + 6651155506611.

It is an arithmetic number, because the mean of its divisors is an integer number (6651155506611).

Almost surely, 2^{13302311013221} is an apocalyptic number.

It is an amenable number.

13302311013221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13302311013221 is an equidigital number, since it uses as much as digits as its factorization.

13302311013221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13302311013221 its reverse (12231011320331), we get a palindrome (25533322333552).

The spelling of 13302311013221 in words is "thirteen trillion, three hundred two billion, three hundred eleven million, thirteen thousand, two hundred twenty-one".