1111112112223 has 8 divisors (see below), whose sum is σ = 1127983160880. Its totient is φ = 1094249513280.

The previous prime is 1111112112211. The next prime is 1111112112241. The reversal of 1111112112223 is 3222112111111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111112112223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111112112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112112623) 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, 1847188 + ... + 2373673.

It is an arithmetic number, because the mean of its divisors is an integer number (140997895110).

Almost surely, 2^{1111112112223} is an apocalyptic number.

1111112112223 is a deficient number, since it is larger than the sum of its proper divisors (16871048657).

1111112112223 is an equidigital number, since it uses as much as digits as its factorization.

1111112112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224857.

The product of its digits is 48, while the sum is 19.

Adding to 1111112112223 its reverse (3222112111111), we get a palindrome (4333224223334).

The spelling of 1111112112223 in words is "one trillion, one hundred eleven billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-three".