2103112 has 16 divisors (see below), whose sum is σ = 4302000. Its totient is φ = 955920.

The previous prime is 2103107. The next prime is 2103119. The reversal of 2103112 is 2113012.

It is not an unprimeable number, because it can be changed into a prime (2103119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11862 + ... + 12037.

It is an arithmetic number, because the mean of its divisors is an integer number (268875).

2^2103112 is an apocalyptic number.

2103112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2103112 is an abundant number, since it is smaller than the sum of its proper divisors (2198888).

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

2103112 is a wasteful number, since it uses less digits than its factorization.

2103112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23916 (or 23912 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2103112 is about 1450.2110191279. The cubic root of 2103112 is about 128.1211418231.

Adding to 2103112 its reverse (2113012), we get a palindrome (4216124).

The spelling of 2103112 in words is "two million, one hundred three thousand, one hundred twelve".