111130223 has 4 divisors (see below), whose sum is σ = 111178728. Its totient is φ = 111081720.

The previous prime is 111130219. The next prime is 111130237. The reversal of 111130223 is 322031111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111130223 - 2² = 111130219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111130198 and 111130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111130423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20636 + ... + 25457.

It is an arithmetic number, because the mean of its divisors is an integer number (27794682).

Almost surely, 2^111130223 is an apocalyptic number.

111130223 is a deficient number, since it is larger than the sum of its proper divisors (48505).

111130223 is an equidigital number, since it uses as much as digits as its factorization.

111130223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48504.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 111130223 is about 10541.8320514036. The cubic root of 111130223 is about 480.7774193024. Note that the first 3 decimals are identical.

Adding to 111130223 its reverse (322031111), we get a palindrome (433161334).

The spelling of 111130223 in words is "one hundred eleven million, one hundred thirty thousand, two hundred twenty-three".