2102112003 has 16 divisors (see below), whose sum is σ = 2852092800. Its totient is φ = 1376799360.

The previous prime is 2102111941. The next prime is 2102112007. The reversal of 2102112003 is 3002112012.

It is not a de Polignac number, because 2102112003 - 2⁶ = 2102111939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102112003.

It is not an unprimeable number, because it can be changed into a prime (2102112007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417163 + ... + 422171.

It is an arithmetic number, because the mean of its divisors is an integer number (178255800).

Almost surely, 2^2102112003 is an apocalyptic number.

2102112003 is a deficient number, since it is larger than the sum of its proper divisors (749980797).

2102112003 is a wasteful number, since it uses less digits than its factorization.

2102112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7442.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2102112003 is about 45848.7950005232. The cubic root of 2102112003 is about 1281.0083206800.

Adding to 2102112003 its reverse (3002112012), we get a palindrome (5104224015).

Subtracting 2102112003 from its reverse (3002112012), we obtain a palindrome (900000009).

The spelling of 2102112003 in words is "two billion, one hundred two million, one hundred twelve thousand, three".