13122222113 has 32 divisors (see below), whose sum is σ = 17679174912. Its totient is φ = 9406137600.

The previous prime is 13122222109. The next prime is 13122222173. The reversal of 13122222113 is 31122222131.

It is a cyclic number.

It is not a de Polignac number, because 13122222113 - 2² = 13122222109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13122222103) 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 in 31 ways as a sum of consecutive naturals, for example, 270923 + ... + 315663.

It is an arithmetic number, because the mean of its divisors is an integer number (552474216).

Almost surely, 2^13122222113 is an apocalyptic number.

13122222113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13122222113 is a deficient number, since it is larger than the sum of its proper divisors (4556952799).

13122222113 is a wasteful number, since it uses less digits than its factorization.

13122222113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45065.

The product of its digits is 288, while the sum is 20.

Adding to 13122222113 its reverse (31122222131), we get a palindrome (44244444244).

The spelling of 13122222113 in words is "thirteen billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred thirteen".