11203320213 has 12 divisors (see below), whose sum is σ = 16190979168. Its totient is φ = 7465000680.

The previous prime is 11203320209. The next prime is 11203320239. The reversal of 11203320213 is 31202330211.

11203320213 is a `hidden beast` number, since 1 + 120 + 332 + 0 + 213 = 666.

11203320213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11203320213 - 2² = 11203320209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203320013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304945 + ... + 339702.

It is an arithmetic number, because the mean of its divisors is an integer number (1349248264).

Almost surely, 2^11203320213 is an apocalyptic number.

It is an amenable number.

11203320213 is a deficient number, since it is larger than the sum of its proper divisors (4987658955).

11203320213 is a wasteful number, since it uses less digits than its factorization.

11203320213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646584 (or 646581 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11203320213 its reverse (31202330211), we get a palindrome (42405650424).

The spelling of 11203320213 in words is "eleven billion, two hundred three million, three hundred twenty thousand, two hundred thirteen".