2112103103 has 16 divisors (see below), whose sum is σ = 2441352960. Its totient is φ = 1805884800.

The previous prime is 2112103093. The next prime is 2112103121. The reversal of 2112103103 is 3013012112.

It is a cyclic number.

It is not a de Polignac number, because 2112103103 - 2⁶ = 2112103039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112103163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348368 + ... + 354378.

It is an arithmetic number, because the mean of its divisors is an integer number (152584560).

Almost surely, 2^2112103103 is an apocalyptic number.

2112103103 is a deficient number, since it is larger than the sum of its proper divisors (329249857).

2112103103 is a wasteful number, since it uses less digits than its factorization.

2112103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7918.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2112103103 is about 45957.6229041494. The cubic root of 2112103103 is about 1283.0346095887.

Adding to 2112103103 its reverse (3013012112), we get a palindrome (5125115215).

Subtracting 2112103103 from its reverse (3013012112), we obtain a palindrome (900909009).

The spelling of 2112103103 in words is "two billion, one hundred twelve million, one hundred three thousand, one hundred three".