11223033111 has 24 divisors (see below), whose sum is σ = 16721410160. Its totient is φ = 7439649552.

The previous prime is 11223033071. The next prime is 11223033121. The reversal of 11223033111 is 11133032211.

It is not a de Polignac number, because 11223033111 - 2⁶ = 11223033047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223033121) 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 in 23 ways as a sum of consecutive naturals, for example, 858621 + ... + 871593.

Almost surely, 2^11223033111 is an apocalyptic number.

11223033111 is a deficient number, since it is larger than the sum of its proper divisors (5498377049).

11223033111 is an equidigital number, since it uses as much as digits as its factorization.

11223033111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13340 (or 13155 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11223033111 its reverse (11133032211), we get a palindrome (22356065322).

The spelling of 11223033111 in words is "eleven billion, two hundred twenty-three million, thirty-three thousand, one hundred eleven".