13320222011321 has 2 divisors, whose sum is σ = 13320222011322. Its totient is φ = 13320222011320.

The previous prime is 13320222011269. The next prime is 13320222011389. The reversal of 13320222011321 is 12311022202331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10712110060096 + 2608111951225 = 3272936^2 + 1614965^2 .

It is a cyclic number.

It is not a de Polignac number, because 13320222011321 - 2²² = 13320217817017 is a prime.

It is not a weakly prime, because it can be changed into another prime (13320222011021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660111005660 + 6660111005661.

It is an arithmetic number, because the mean of its divisors is an integer number (6660111005661).

Almost surely, 2^{13320222011321} is an apocalyptic number.

It is an amenable number.

13320222011321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13320222011321 is an equidigital number, since it uses as much as digits as its factorization.

13320222011321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13320222011321 its reverse (12311022202331), we get a palindrome (25631244213652).

The spelling of 13320222011321 in words is "thirteen trillion, three hundred twenty billion, two hundred twenty-two million, eleven thousand, three hundred twenty-one".