111204112 has 40 divisors (see below), whose sum is σ = 229950560. Its totient is φ = 51943680.

The previous prime is 111204073. The next prime is 111204139. The reversal of 111204112 is 211402111.

It is a junction number, because it is equal to n+sod(n) for n = 111204092 and 111204101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19687 + ... + 24697.

It is an arithmetic number, because the mean of its divisors is an integer number (5748764).

Almost surely, 2^111204112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111204112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114975280).

111204112 is an abundant number, since it is smaller than the sum of its proper divisors (118746448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111204112 is a wasteful number, since it uses less digits than its factorization.

111204112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111 (or 5105 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 111204112 is about 10545.3360306820. The cubic root of 111204112 is about 480.8839498558.

Adding to 111204112 its reverse (211402111), we get a palindrome (322606223).

The spelling of 111204112 in words is "one hundred eleven million, two hundred four thousand, one hundred twelve".