11223203112 has 48 divisors (see below), whose sum is σ = 33159466080. Its totient is φ = 3400970400.

The previous prime is 11223203083. The next prime is 11223203113. The reversal of 11223203112 is 21130232211.

11223203112 is a `hidden beast` number, since 11 + 22 + 320 + 311 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11223203113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7084564 + ... + 7086147.

It is an arithmetic number, because the mean of its divisors is an integer number (690822210).

Almost surely, 2^11223203112 is an apocalyptic number.

11223203112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11223203112 is an abundant number, since it is smaller than the sum of its proper divisors (21936262968).

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

11223203112 is a wasteful number, since it uses less digits than its factorization.

11223203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170734 (or 14170727 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11223203112 its reverse (21130232211), we get a palindrome (32353435323).

The spelling of 11223203112 in words is "eleven billion, two hundred twenty-three million, two hundred three thousand, one hundred twelve".