11113304203 has 4 divisors (see below), whose sum is σ = 11113525048. Its totient is φ = 11113083360.

The previous prime is 11113304183. The next prime is 11113304219. The reversal of 11113304203 is 30240331111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30240331111 = 1567 ⋅19298233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113304203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113307203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5923 + ... + 149203.

It is an arithmetic number, because the mean of its divisors is an integer number (2778381262).

Almost surely, 2^11113304203 is an apocalyptic number.

11113304203 is a deficient number, since it is larger than the sum of its proper divisors (220845).

11113304203 is an equidigital number, since it uses as much as digits as its factorization.

11113304203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220844.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11113304203 its reverse (30240331111), we get a palindrome (41353635314).

The spelling of 11113304203 in words is "eleven billion, one hundred thirteen million, three hundred four thousand, two hundred three".