2112103 has 8 divisors (see below), whose sum is σ = 2459808. Its totient is φ = 1775904.

The previous prime is 2112079. The next prime is 2112107. The reversal of 2112103 is 3012112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112103 - 2¹³ = 2103911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2476 + ... + 3217.

It is an arithmetic number, because the mean of its divisors is an integer number (307476).

2^2112103 is an apocalyptic number.

2112103 is a deficient number, since it is larger than the sum of its proper divisors (347705).

2112103 is an equidigital number, since it uses as much as digits as its factorization.

2112103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753.

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

The square root of 2112103 is about 1453.3076068059. The cubic root of 2112103 is about 128.3034588732.

Adding to 2112103 its reverse (3012112), we get a palindrome (5124215).

Subtracting 2112103 from its reverse (3012112), we obtain a palindrome (900009).

The spelling of 2112103 in words is "two million, one hundred twelve thousand, one hundred three".