13113122122 has 16 divisors (see below), whose sum is σ = 20409568200. Its totient is φ = 6313586688.

The previous prime is 13113122111. The next prime is 13113122129. The reversal of 13113122122 is 22122131131.

13113122122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11855072161 + 1258049961 = 108881^2 + 35469^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13113122122.

It is not an unprimeable number, because it can be changed into a prime (13113122129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 906247 + ... + 920602.

Almost surely, 2^13113122122 is an apocalyptic number.

13113122122 is a deficient number, since it is larger than the sum of its proper divisors (7296446078).

13113122122 is a wasteful number, since it uses less digits than its factorization.

13113122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826985.

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

Adding to 13113122122 its reverse (22122131131), we get a palindrome (35235253253).

Subtracting 13113122122 from its reverse (22122131131), we obtain a palindrome (9009009009).

The spelling of 13113122122 in words is "thirteen billion, one hundred thirteen million, one hundred twenty-two thousand, one hundred twenty-two".