13221401113 has 2 divisors, whose sum is σ = 13221401114. Its totient is φ = 13221401112.

The previous prime is 13221401093. The next prime is 13221401153. The reversal of 13221401113 is 31110412231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11002331664 + 2219069449 = 104892^2 + 47107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13221401113 is a prime.

It is not a weakly prime, because it can be changed into another prime (13221401153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610700556 + 6610700557.

It is an arithmetic number, because the mean of its divisors is an integer number (6610700557).

Almost surely, 2^13221401113 is an apocalyptic number.

It is an amenable number.

13221401113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221401113 is an equidigital number, since it uses as much as digits as its factorization.

13221401113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13221401113 its reverse (31110412231), we get a palindrome (44331813344).

The spelling of 13221401113 in words is "thirteen billion, two hundred twenty-one million, four hundred one thousand, one hundred thirteen".