2161112 has 16 divisors (see below), whose sum is σ = 4081200. Its totient is φ = 1072800.

The previous prime is 2161087. The next prime is 2161121. The reversal of 2161112 is 2111612.

2161112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 314 + ... + 2102.

It is an arithmetic number, because the mean of its divisors is an integer number (255075).

2^2161112 is an apocalyptic number.

It is an amenable number.

2161112 is a deficient number, since it is larger than the sum of its proper divisors (1920088).

2161112 is a wasteful number, since it uses less digits than its factorization.

2161112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946 (or 1942 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 2161112 is about 1470.0721070750. The cubic root of 2161112 is about 129.2882602943.

Adding to 2161112 its reverse (2111612), we get a palindrome (4272724).

The spelling of 2161112 in words is "two million, one hundred sixty-one thousand, one hundred twelve".