11100044213 has 8 divisors (see below), whose sum is σ = 11117782200. Its totient is φ = 11082322368.

The previous prime is 11100044203. The next prime is 11100044227. The reversal of 11100044213 is 31244000111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1069420804 + 10030623409 = 32702^2 + 100153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11100044213 - 2²² = 11095849909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100044191 and 11100044200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100044203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2247695 + ... + 2252627.

It is an arithmetic number, because the mean of its divisors is an integer number (1389722775).

Almost surely, 2^11100044213 is an apocalyptic number.

It is an amenable number.

11100044213 is a deficient number, since it is larger than the sum of its proper divisors (17737987).

11100044213 is a wasteful number, since it uses less digits than its factorization.

11100044213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8071.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11100044213 its reverse (31244000111), we get a palindrome (42344044324).

The spelling of 11100044213 in words is "eleven billion, one hundred million, forty-four thousand, two hundred thirteen".