11133311213 has 2 divisors, whose sum is σ = 11133311214. Its totient is φ = 11133311212.

The previous prime is 11133311209. The next prime is 11133311219. The reversal of 11133311213 is 31211333111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8629109449 + 2504201764 = 92893^2 + 50042^2 .

It is a cyclic number.

It is not a de Polignac number, because 11133311213 - 2² = 11133311209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11133311219) 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, 5566655606 + 5566655607.

It is an arithmetic number, because the mean of its divisors is an integer number (5566655607).

Almost surely, 2^11133311213 is an apocalyptic number.

It is an amenable number.

11133311213 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133311213 is an equidigital number, since it uses as much as digits as its factorization.

11133311213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 20.

Adding to 11133311213 its reverse (31211333111), we get a palindrome (42344644324).

The spelling of 11133311213 in words is "eleven billion, one hundred thirty-three million, three hundred eleven thousand, two hundred thirteen".