111121223 has 8 divisors (see below), whose sum is σ = 111847008. Its totient is φ = 110398464.

The previous prime is 111121201. The next prime is 111121229. The reversal of 111121223 is 322121111.

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 111121223 - 2⁸ = 111120967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111121198 and 111121207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111121229) 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, 152486 + ... + 153212.

It is an arithmetic number, because the mean of its divisors is an integer number (13980876).

Almost surely, 2^111121223 is an apocalyptic number.

111121223 is a deficient number, since it is larger than the sum of its proper divisors (725785).

111121223 is an equidigital number, since it uses as much as digits as its factorization.

111121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513.

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

The square root of 111121223 is about 10541.4051719873. The cubic root of 111121223 is about 480.7644401942.

Adding to 111121223 its reverse (322121111), we get a palindrome (433242334).

The spelling of 111121223 in words is "one hundred eleven million, one hundred twenty-one thousand, two hundred twenty-three".