1111311122223 has 8 divisors (see below), whose sum is σ = 1481839027200. Its totient is φ = 740828649368.

The previous prime is 1111311122219. The next prime is 1111311122237. The reversal of 1111311122223 is 3222211131111.

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 1111311122223 - 2² = 1111311122219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111311122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111311122293) 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, 11300913 + ... + 11398826.

It is an arithmetic number, because the mean of its divisors is an integer number (185229878400).

Almost surely, 2^{1111311122223} is an apocalyptic number.

1111311122223 is a deficient number, since it is larger than the sum of its proper divisors (370527904977).

1111311122223 is a wasteful number, since it uses less digits than its factorization.

1111311122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22716061.

The product of its digits is 144, while the sum is 21.

Adding to 1111311122223 its reverse (3222211131111), we get a palindrome (4333522253334).

The spelling of 1111311122223 in words is "one trillion, one hundred eleven billion, three hundred eleven million, one hundred twenty-two thousand, two hundred twenty-three".