111102223 has 4 divisors (see below), whose sum is σ = 112440888. Its totient is φ = 109763560.

The previous prime is 111102221. The next prime is 111102227. The reversal of 111102223 is 322201111.

111102223 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322201111 = 6323 ⋅50957.

It is a cyclic number.

It is not a de Polignac number, because 111102223 - 2¹ = 111102221 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 (111102221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669208 + ... + 669373.

It is an arithmetic number, because the mean of its divisors is an integer number (28110222).

Almost surely, 2^111102223 is an apocalyptic number.

111102223 is a deficient number, since it is larger than the sum of its proper divisors (1338665).

111102223 is an equidigital number, since it uses as much as digits as its factorization.

111102223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338664.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 111102223 is about 10540.5039253349. The cubic root of 111102223 is about 480.7370375529.

Adding to 111102223 its reverse (322201111), we get a palindrome (433303334).

It can be divided in two parts, 1 and 11102223, that added together give a square (11102224 = 3332²).

The spelling of 111102223 in words is "one hundred eleven million, one hundred two thousand, two hundred twenty-three".