112011666 has 32 divisors (see below), whose sum is σ = 243528768. Its totient is φ = 34140480.

The previous prime is 112011637. The next prime is 112011667. The reversal of 112011666 is 666110211.

It is a super-2 number, since 2×112011666² = 25093226640191112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112011667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636 + ... + 15056.

It is an arithmetic number, because the mean of its divisors is an integer number (7610274).

Almost surely, 2^112011666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112011666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121764384).

112011666 is an abundant number, since it is smaller than the sum of its proper divisors (131517102).

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

112011666 is a wasteful number, since it uses less digits than its factorization.

112011666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13546.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 112011666 is about 10583.5563965994. The cubic root of 112011666 is about 482.0451883966.

Adding to 112011666 its reverse (666110211), we get a palindrome (778121877).

The spelling of 112011666 in words is "one hundred twelve million, eleven thousand, six hundred sixty-six".