1113131111122 has 16 divisors (see below), whose sum is σ = 1755588360600. Its totient is φ = 528564234240.

The previous prime is 1113131111117. The next prime is 1113131111129. The reversal of 1113131111122 is 2211111313111.

It can be written as a sum of positive squares in 4 ways, for example, as 622964496961 + 490166614161 = 789281^2 + 700119^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1113131111122.

It is not an unprimeable number, because it can be changed into a prime (1113131111129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157307247 + ... + 157314322.

Almost surely, 2^{1113131111122} is an apocalyptic number.

1113131111122 is a deficient number, since it is larger than the sum of its proper divisors (642457249478).

1113131111122 is a wasteful number, since it uses less digits than its factorization.

1113131111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314621661.

The product of its digits is 36, while the sum is 19.

Adding to 1113131111122 its reverse (2211111313111), we get a palindrome (3324242424233).

The spelling of 1113131111122 in words is "one trillion, one hundred thirteen billion, one hundred thirty-one million, one hundred eleven thousand, one hundred twenty-two".