11031131122 has 32 divisors (see below), whose sum is σ = 19120173120. Its totient is φ = 4717370880.

The previous prime is 11031131117. The next prime is 11031131141. The reversal of 11031131122 is 22113113011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11031131096 and 11031131105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465693 + ... + 1473199.

It is an arithmetic number, because the mean of its divisors is an integer number (597505410).

Almost surely, 2^11031131122 is an apocalyptic number.

11031131122 is a deficient number, since it is larger than the sum of its proper divisors (8089041998).

11031131122 is a wasteful number, since it uses less digits than its factorization.

11031131122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11466.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11031131122 its reverse (22113113011), we get a palindrome (33144244133).

The spelling of 11031131122 in words is "eleven billion, thirty-one million, one hundred thirty-one thousand, one hundred twenty-two".