11133112203 has 16 divisors (see below), whose sum is σ = 16773052800. Its totient is φ = 7296275880.

The previous prime is 11133112189. The next prime is 11133112229. The reversal of 11133112203 is 30221133111.

11133112203 is a `hidden beast` number, since 111 + 331 + 1 + 220 + 3 = 666.

It is not a de Polignac number, because 11133112203 - 2¹⁰ = 11133111179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11133112273) 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, 3492793 + ... + 3495978.

It is an arithmetic number, because the mean of its divisors is an integer number (1048315800).

Almost surely, 2^11133112203 is an apocalyptic number.

11133112203 is a deficient number, since it is larger than the sum of its proper divisors (5639940597).

11133112203 is an equidigital number, since it uses as much as digits as its factorization.

11133112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6988839 (or 6988833 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11133112203 its reverse (30221133111), we get a palindrome (41354245314).

The spelling of 11133112203 in words is "eleven billion, one hundred thirty-three million, one hundred twelve thousand, two hundred three".