11131112122 has 32 divisors (see below), whose sum is σ = 18118396800. Its totient is φ = 5098292928.

The previous prime is 11131112119. The next prime is 11131112129. The reversal of 11131112122 is 22121113111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11131112096 and 11131112105.

It is not an unprimeable number, because it can be changed into a prime (11131112129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3207004 + ... + 3210472.

It is an arithmetic number, because the mean of its divisors is an integer number (566199900).

Almost surely, 2^11131112122 is an apocalyptic number.

11131112122 is a deficient number, since it is larger than the sum of its proper divisors (6987284678).

11131112122 is a wasteful number, since it uses less digits than its factorization.

11131112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390.

The product of its digits is 24, while the sum is 16.

Adding to 11131112122 its reverse (22121113111), we get a palindrome (33252225233).

The spelling of 11131112122 in words is "eleven billion, one hundred thirty-one million, one hundred twelve thousand, one hundred twenty-two".