13111311122 has 96 divisors (see below), whose sum is σ = 25027833600. Its totient is φ = 5105503872.

The previous prime is 13111311119. The next prime is 13111311127. The reversal of 13111311122 is 22111311131.

It is a self number, because there is not a number n which added to its sum of digits gives 13111311122.

It is not an unprimeable number, because it can be changed into a prime (13111311127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36521579 + ... + 36521937.

It is an arithmetic number, because the mean of its divisors is an integer number (260706600).

Almost surely, 2^13111311122 is an apocalyptic number.

13111311122 is a deficient number, since it is larger than the sum of its proper divisors (11916522478).

13111311122 is a wasteful number, since it uses less digits than its factorization.

13111311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 753 counting only the distinct ones).

The product of its digits is 36, while the sum is 17.

Adding to 13111311122 its reverse (22111311131), we get a palindrome (35222622253).

Subtracting 13111311122 from its reverse (22111311131), we obtain a palindrome (9000000009).

The spelling of 13111311122 in words is "thirteen billion, one hundred eleven million, three hundred eleven thousand, one hundred twenty-two".