13221050113 has 2 divisors, whose sum is σ = 13221050114. Its totient is φ = 13221050112.

The previous prime is 13221050111. The next prime is 13221050179. The reversal of 13221050113 is 31105012231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12848675904 + 372374209 = 113352^2 + 19297^2 .

It is a cyclic number.

It is not a de Polignac number, because 13221050113 - 2¹ = 13221050111 is a prime.

Together with 13221050111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13221050111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610525056 + 6610525057.

It is an arithmetic number, because the mean of its divisors is an integer number (6610525057).

Almost surely, 2^13221050113 is an apocalyptic number.

It is an amenable number.

13221050113 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221050113 is an equidigital number, since it uses as much as digits as its factorization.

13221050113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 13221050113 its reverse (31105012231), we get a palindrome (44326062344).

The spelling of 13221050113 in words is "thirteen billion, two hundred twenty-one million, fifty thousand, one hundred thirteen".