11011012223 has 4 divisors (see below), whose sum is σ = 11120032248. Its totient is φ = 10901992200.

The previous prime is 11011012219. The next prime is 11011012253. The reversal of 11011012223 is 32221011011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11011012223 - 2² = 11011012219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011012198 and 11011012207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011012213) 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 3 ways as a sum of consecutive naturals, for example, 54509861 + ... + 54510062.

It is an arithmetic number, because the mean of its divisors is an integer number (2780008062).

Almost surely, 2^11011012223 is an apocalyptic number.

11011012223 is a deficient number, since it is larger than the sum of its proper divisors (109020025).

11011012223 is a wasteful number, since it uses less digits than its factorization.

11011012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109020024.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11011012223 its reverse (32221011011), we get a palindrome (43232023234).

The spelling of 11011012223 in words is "eleven billion, eleven million, twelve thousand, two hundred twenty-three".