111142112 has 12 divisors (see below), whose sum is σ = 218811096. Its totient is φ = 55571040.

The previous prime is 111142093. The next prime is 111142127. The reversal of 111142112 is 211241111.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736564 + ... + 1736627.

It is an arithmetic number, because the mean of its divisors is an integer number (18234258).

Almost surely, 2^111142112 is an apocalyptic number.

It is an amenable number.

111142112 is a deficient number, since it is larger than the sum of its proper divisors (107668984).

111142112 is an equidigital number, since it uses as much as digits as its factorization.

111142112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473201 (or 3473193 counting only the distinct ones).

The product of its digits is 16, while the sum is 14.

The square root of 111142112 is about 10542.3959326142. The cubic root of 111142112 is about 480.7945636302.

Adding to 111142112 its reverse (211241111), we get a palindrome (322383223).

The spelling of 111142112 in words is "one hundred eleven million, one hundred forty-two thousand, one hundred twelve".