11213112203 has 8 divisors (see below), whose sum is σ = 11235931200. Its totient is φ = 11190313288.

The previous prime is 11213112151. The next prime is 11213112223. The reversal of 11213112203 is 30221131211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11213112203 - 2¹² = 11213108107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213112223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594028 + ... + 1601046.

It is an arithmetic number, because the mean of its divisors is an integer number (1404491400).

Almost surely, 2^11213112203 is an apocalyptic number.

11213112203 is a deficient number, since it is larger than the sum of its proper divisors (22818997).

11213112203 is an equidigital number, since it uses as much as digits as its factorization.

11213112203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10041.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11213112203 its reverse (30221131211), we get a palindrome (41434243414).

The spelling of 11213112203 in words is "eleven billion, two hundred thirteen million, one hundred twelve thousand, two hundred three".