13321122113 has 4 divisors (see below), whose sum is σ = 14345823828. Its totient is φ = 12296420400.

The previous prime is 13321122103. The next prime is 13321122161. The reversal of 13321122113 is 31122112331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6195736369 + 7125385744 = 78713^2 + 84412^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321122113 - 2⁶ = 13321122049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13321122103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512350838 + ... + 512350863.

It is an arithmetic number, because the mean of its divisors is an integer number (3586455957).

Almost surely, 2^13321122113 is an apocalyptic number.

13321122113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13321122113 is a deficient number, since it is larger than the sum of its proper divisors (1024701715).

13321122113 is a wasteful number, since it uses less digits than its factorization.

13321122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024701714.

The product of its digits is 216, while the sum is 20.

Adding to 13321122113 its reverse (31122112331), we get a palindrome (44443234444).

The spelling of 13321122113 in words is "thirteen billion, three hundred twenty-one million, one hundred twenty-two thousand, one hundred thirteen".