111112223 has 4 divisors (see below), whose sum is σ = 111688128. Its totient is φ = 110536320.

The previous prime is 111112219. The next prime is 111112237. The reversal of 111112223 is 322211111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322211111 = 811 ⋅397301.

It is a cyclic number.

It is not a de Polignac number, because 111112223 - 2² = 111112219 is a prime.

It is a super-2 number, since 2×111112223² = 24691852200003458, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111112198 and 111112207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111112273) 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, 287663 + ... + 288048.

It is an arithmetic number, because the mean of its divisors is an integer number (27922032).

Almost surely, 2^111112223 is an apocalyptic number.

111112223 is a deficient number, since it is larger than the sum of its proper divisors (575905).

111112223 is an equidigital number, since it uses as much as digits as its factorization.

111112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575904.

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

The square root of 111112223 is about 10540.9782752836. The cubic root of 111112223 is about 480.7514603851.

Adding to 111112223 its reverse (322211111), we get a palindrome (433323334).

The spelling of 111112223 in words is "one hundred eleven million, one hundred twelve thousand, two hundred twenty-three".