13222560121201 has 2 divisors, whose sum is σ = 13222560121202. Its totient is φ = 13222560121200.

The previous prime is 13222560121193. The next prime is 13222560121217. The reversal of 13222560121201 is 10212106522231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8112243240000 + 5110316881201 = 2848200^2 + 2260601^2 .

It is an emirp because it is prime and its reverse (10212106522231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13222560121201 - 2³ = 13222560121193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13222560121201.

It is not a weakly prime, because it can be changed into another prime (13222560121801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611280060600 + 6611280060601.

It is an arithmetic number, because the mean of its divisors is an integer number (6611280060601).

Almost surely, 2^{13222560121201} is an apocalyptic number.

It is an amenable number.

13222560121201 is a deficient number, since it is larger than the sum of its proper divisors (1).

13222560121201 is an equidigital number, since it uses as much as digits as its factorization.

13222560121201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 13222560121201 its reverse (10212106522231), we get a palindrome (23434666643432).

The spelling of 13222560121201 in words is "thirteen trillion, two hundred twenty-two billion, five hundred sixty million, one hundred twenty-one thousand, two hundred one".