11213130203 has 16 divisors (see below), whose sum is σ = 12526617600. Its totient is φ = 9951564480.

The previous prime is 11213130197. The next prime is 11213130209. The reversal of 11213130203 is 30203131211.

It is an interprime number because it is at equal distance from previous prime (11213130197) and next prime (11213130209).

It is not a de Polignac number, because 11213130203 - 2³² = 6918162907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11213130209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4850 + ... + 149832.

It is an arithmetic number, because the mean of its divisors is an integer number (782913600).

Almost surely, 2^11213130203 is an apocalyptic number.

11213130203 is a deficient number, since it is larger than the sum of its proper divisors (1313487397).

11213130203 is a wasteful number, since it uses less digits than its factorization.

11213130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145162.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11213130203 its reverse (30203131211), we get a palindrome (41416261414).

The spelling of 11213130203 in words is "eleven billion, two hundred thirteen million, one hundred thirty thousand, two hundred three".