111120223 has 6 divisors (see below), whose sum is σ = 112975512. Its totient is φ = 109294920.

The previous prime is 111120221. The next prime is 111120239. The reversal of 111120223 is 322021111.

It is not a de Polignac number, because 111120223 - 2¹ = 111120221 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 (111120221) 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 5 ways as a sum of consecutive naturals, for example, 11211 + ... + 18652.

It is an arithmetic number, because the mean of its divisors is an integer number (18829252).

Almost surely, 2^111120223 is an apocalyptic number.

111120223 is a deficient number, since it is larger than the sum of its proper divisors (1855289).

111120223 is an frugal number, since it uses more digits than its factorization.

111120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29985 (or 29924 counting only the distinct ones).

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

The square root of 111120223 is about 10541.3577398739. The cubic root of 111120223 is about 480.7629980278.

Adding to 111120223 its reverse (322021111), we get a palindrome (433141334).

The spelling of 111120223 in words is "one hundred eleven million, one hundred twenty thousand, two hundred twenty-three".