11203133213 has 2 divisors, whose sum is σ = 11203133214. Its totient is φ = 11203133212.

The previous prime is 11203133209. The next prime is 11203133233. The reversal of 11203133213 is 31233130211.

It is an a-pointer prime, because the next prime (11203133233) can be obtained adding 11203133213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7850491609 + 3352641604 = 88603^2 + 57902^2 .

It is a cyclic number.

It is not a de Polignac number, because 11203133213 - 2² = 11203133209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11203133203) 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 as a sum of consecutive naturals, namely, 5601566606 + 5601566607.

It is an arithmetic number, because the mean of its divisors is an integer number (5601566607).

Almost surely, 2^11203133213 is an apocalyptic number.

It is an amenable number.

11203133213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203133213 is an equidigital number, since it uses as much as digits as its factorization.

11203133213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11203133213 its reverse (31233130211), we get a palindrome (42436263424).

The spelling of 11203133213 in words is "eleven billion, two hundred three million, one hundred thirty-three thousand, two hundred thirteen".