11243330213 has 2 divisors, whose sum is σ = 11243330214. Its totient is φ = 11243330212.

The previous prime is 11243330209. The next prime is 11243330227. The reversal of 11243330213 is 31203334211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11181582049 + 61748164 = 105743^2 + 7858^2 .

It is a cyclic number.

It is not a de Polignac number, because 11243330213 - 2² = 11243330209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243330243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621665106 + 5621665107.

It is an arithmetic number, because the mean of its divisors is an integer number (5621665107).

Almost surely, 2^11243330213 is an apocalyptic number.

It is an amenable number.

11243330213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243330213 is an equidigital number, since it uses as much as digits as its factorization.

11243330213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 11243330213 its reverse (31203334211), we get a palindrome (42446664424).

The spelling of 11243330213 in words is "eleven billion, two hundred forty-three million, three hundred thirty thousand, two hundred thirteen".