11123340213 has 16 divisors (see below), whose sum is σ = 14935703040. Its totient is φ = 7363352304.

The previous prime is 11123340209. The next prime is 11123340281. The reversal of 11123340213 is 31204332111.

It is not a de Polignac number, because 11123340213 - 2² = 11123340209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11123340213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123340013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558928 + ... + 578486.

It is an arithmetic number, because the mean of its divisors is an integer number (933481440).

Almost surely, 2^11123340213 is an apocalyptic number.

It is an amenable number.

11123340213 is a deficient number, since it is larger than the sum of its proper divisors (3812362827).

11123340213 is a wasteful number, since it uses less digits than its factorization.

11123340213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20888.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11123340213 its reverse (31204332111), we get a palindrome (42327672324).

The spelling of 11123340213 in words is "eleven billion, one hundred twenty-three million, three hundred forty thousand, two hundred thirteen".