111210112 has 96 divisors (see below), whose sum is σ = 246951180. Its totient is φ = 49840128.

The previous prime is 111210101. The next prime is 111210119. The reversal of 111210112 is 211012111.

It can be written as a sum of positive squares in 6 ways, for example, as 24049216 + 87160896 = 4904^2 + 9336^2 .

It is a super-2 number, since 2×111210112² = 24735378022105088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111210119) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1146448 + ... + 1146544.

Almost surely, 2^111210112 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 111210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123475590).

111210112 is an abundant number, since it is smaller than the sum of its proper divisors (135741068).

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

111210112 is an equidigital number, since it uses as much as digits as its factorization.

111210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 111210112 is about 10545.6205128006. The cubic root of 111210112 is about 480.8925983723.

Adding to 111210112 its reverse (211012111), we get a palindrome (322222223).

The spelling of 111210112 in words is "one hundred eleven million, two hundred ten thousand, one hundred twelve".