11113213043 has 2 divisors, whose sum is σ = 11113213044. Its totient is φ = 11113213042.

The previous prime is 11113213009. The next prime is 11113213091. The reversal of 11113213043 is 34031231111.

11113213043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11113213043 - 2³² = 6818245747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11113213093) 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 as a sum of consecutive naturals, namely, 5556606521 + 5556606522.

It is an arithmetic number, because the mean of its divisors is an integer number (5556606522).

Almost surely, 2^11113213043 is an apocalyptic number.

11113213043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113213043 is an equidigital number, since it uses as much as digits as its factorization.

11113213043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11113213043 its reverse (34031231111), we get a palindrome (45144444154).

The spelling of 11113213043 in words is "eleven billion, one hundred thirteen million, two hundred thirteen thousand, forty-three".