11112122203 has 16 divisors (see below), whose sum is σ = 14396273920. Its totient is φ = 8329270176.

The previous prime is 11112122191. The next prime is 11112122207. The reversal of 11112122203 is 30222121111.

It is a cyclic number.

It is not a de Polignac number, because 11112122203 - 2⁵ = 11112122171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11112122207) 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, 3211725 + ... + 3215182.

It is an arithmetic number, because the mean of its divisors is an integer number (899767120).

Almost surely, 2^11112122203 is an apocalyptic number.

11112122203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11112122203 is a deficient number, since it is larger than the sum of its proper divisors (3284151717).

11112122203 is a wasteful number, since it uses less digits than its factorization.

11112122203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426946.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11112122203 its reverse (30222121111), we get a palindrome (41334243314).

The spelling of 11112122203 in words is "eleven billion, one hundred twelve million, one hundred twenty-two thousand, two hundred three".