13112011122 has 64 divisors (see below), whose sum is σ = 30496048128. Its totient is φ = 3680712000.

The previous prime is 13112011111. The next prime is 13112011147. The reversal of 13112011122 is 22111021131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2792797 + ... + 2797487.

It is an arithmetic number, because the mean of its divisors is an integer number (476500752).

Almost surely, 2^13112011122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13112011122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15248024064).

13112011122 is an abundant number, since it is smaller than the sum of its proper divisors (17384037006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13112011122 is a wasteful number, since it uses less digits than its factorization.

13112011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 13112011122 its reverse (22111021131), we get a palindrome (35223032253).

The spelling of 13112011122 in words is "thirteen billion, one hundred twelve million, eleven thousand, one hundred twenty-two".