11031203112 has 16 divisors (see below), whose sum is σ = 27578007840. Its totient is φ = 3677067696.

The previous prime is 11031203111. The next prime is 11031203129. The reversal of 11031203112 is 21130213011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11031203091 and 11031203100.

It is not an unprimeable number, because it can be changed into a prime (11031203111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229816708 + ... + 229816755.

It is an arithmetic number, because the mean of its divisors is an integer number (1723625490).

Almost surely, 2^11031203112 is an apocalyptic number.

11031203112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11031203112 is an abundant number, since it is smaller than the sum of its proper divisors (16546804728).

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

11031203112 is a wasteful number, since it uses less digits than its factorization.

11031203112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459633472 (or 459633468 counting only the distinct ones).

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

Adding to 11031203112 its reverse (21130213011), we get a palindrome (32161416123).

The spelling of 11031203112 in words is "eleven billion, thirty-one million, two hundred three thousand, one hundred twelve".