111122223 has 8 divisors (see below), whose sum is σ = 154604928. Its totient is φ = 70860504.

The previous prime is 111122213. The next prime is 111122227. The reversal of 111122223 is 322221111.

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

It is not a de Polignac number, because 111122223 - 2⁶ = 111122159 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122227) 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, 805165 + ... + 805302.

It is an arithmetic number, because the mean of its divisors is an integer number (19325616).

Almost surely, 2^111122223 is an apocalyptic number.

111122223 is a deficient number, since it is larger than the sum of its proper divisors (43482705).

111122223 is a wasteful number, since it uses less digits than its factorization.

111122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610493.

The product of its digits is 48, while the sum is 15.

The square root of 111122223 is about 10541.4526038872. The cubic root of 111122223 is about 480.7658823519.

Adding to 111122223 its reverse (322221111), we get a palindrome (433343334).

The spelling of 111122223 in words is "one hundred eleven million, one hundred twenty-two thousand, two hundred twenty-three".