11233333213 has 2 divisors, whose sum is σ = 11233333214. Its totient is φ = 11233333212.

The previous prime is 11233333211. The next prime is 11233333271. The reversal of 11233333213 is 31233333211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8577167769 + 2656165444 = 92613^2 + 51538^2 .

It is a cyclic number.

It is not a de Polignac number, because 11233333213 - 2¹ = 11233333211 is a prime.

Together with 11233333211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11233333211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616666606 + 5616666607.

It is an arithmetic number, because the mean of its divisors is an integer number (5616666607).

Almost surely, 2^11233333213 is an apocalyptic number.

It is an amenable number.

11233333213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233333213 is an equidigital number, since it uses as much as digits as its factorization.

11233333213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 25.

Adding to 11233333213 its reverse (31233333211), we get a palindrome (42466666424).

The spelling of 11233333213 in words is "eleven billion, two hundred thirty-three million, three hundred thirty-three thousand, two hundred thirteen".