11003231112 has 64 divisors (see below), whose sum is σ = 27652771200. Its totient is φ = 3648499200.

The previous prime is 11003231111. The next prime is 11003231123. The reversal of 11003231112 is 21113230011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11003231091 and 11003231100.

It is not an unprimeable number, because it can be changed into a prime (11003231111) 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, 6108612 + ... + 6110412.

It is an arithmetic number, because the mean of its divisors is an integer number (432074550).

Almost surely, 2^11003231112 is an apocalyptic number.

11003231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11003231112 is an abundant number, since it is smaller than the sum of its proper divisors (16649540088).

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

11003231112 is a wasteful number, since it uses less digits than its factorization.

11003231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3006 (or 3002 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11003231112 its reverse (21113230011), we get a palindrome (32116461123).

The spelling of 11003231112 in words is "eleven billion, three million, two hundred thirty-one thousand, one hundred twelve".