13310301123221 has 2 divisors, whose sum is σ = 13310301123222. Its totient is φ = 13310301123220.

The previous prime is 13310301123193. The next prime is 13310301123269. The reversal of 13310301123221 is 12232110301331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9895145379025 + 3415155744196 = 3145655^2 + 1848014^2 .

It is a cyclic number.

It is not a de Polignac number, because 13310301123221 - 2⁶ = 13310301123157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13310301123271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655150561610 + 6655150561611.

It is an arithmetic number, because the mean of its divisors is an integer number (6655150561611).

Almost surely, 2^{13310301123221} is an apocalyptic number.

It is an amenable number.

13310301123221 is a deficient number, since it is larger than the sum of its proper divisors (1).

13310301123221 is an equidigital number, since it uses as much as digits as its factorization.

13310301123221 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 13310301123221 its reverse (12232110301331), we get a palindrome (25542411424552).

The spelling of 13310301123221 in words is "thirteen trillion, three hundred ten billion, three hundred one million, one hundred twenty-three thousand, two hundred twenty-one".