11131121122 has 16 divisors (see below), whose sum is σ = 18402344352. Its totient is φ = 5007438720.

The previous prime is 11131121021. The next prime is 11131121129. The reversal of 11131121122 is 22112113111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11131121096 and 11131121105.

It is not an unprimeable number, because it can be changed into a prime (11131121129) 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, 2605908 + ... + 2610175.

It is an arithmetic number, because the mean of its divisors is an integer number (1150146522).

Almost surely, 2^11131121122 is an apocalyptic number.

11131121122 is a deficient number, since it is larger than the sum of its proper divisors (7271223230).

11131121122 is a wasteful number, since it uses less digits than its factorization.

11131121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216193.

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

Adding to 11131121122 its reverse (22112113111), we get a palindrome (33243234233).

The spelling of 11131121122 in words is "eleven billion, one hundred thirty-one million, one hundred twenty-one thousand, one hundred twenty-two".