11203112112 has 40 divisors (see below), whose sum is σ = 28953813504. Its totient is φ = 3732765504.

The previous prime is 11203112111. The next prime is 11203112209. The reversal of 11203112112 is 21121130211.

11203112112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11203112112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11203112091 and 11203112100.

It is not an unprimeable number, because it can be changed into a prime (11203112111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65413 + ... + 163355.

Almost surely, 2^11203112112 is an apocalyptic number.

11203112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11203112112 is an abundant number, since it is smaller than the sum of its proper divisors (17750701392).

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

11203112112 is a wasteful number, since it uses less digits than its factorization.

11203112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100337 (or 100331 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11203112112 its reverse (21121130211), we get a palindrome (32324242323).

The spelling of 11203112112 in words is "eleven billion, two hundred three million, one hundred twelve thousand, one hundred twelve".