2102004003 has 16 divisors (see below), whose sum is σ = 3140096256. Its totient is φ = 1239510240.

The previous prime is 2102003993. The next prime is 2102004089. The reversal of 2102004003 is 3004002012.

It is not a de Polignac number, because 2102004003 - 2²⁶ = 2034895139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102004003.

It is not an unprimeable number, because it can be changed into a prime (2102004503) 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, 859551 + ... + 861992.

It is an arithmetic number, because the mean of its divisors is an integer number (196256016).

Almost surely, 2^2102004003 is an apocalyptic number.

2102004003 is a deficient number, since it is larger than the sum of its proper divisors (1038092253).

2102004003 is a wasteful number, since it uses less digits than its factorization.

2102004003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721594.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2102004003 is about 45847.6172008971. The cubic root of 2102004003 is about 1280.9863822251.

Adding to 2102004003 its reverse (3004002012), we get a palindrome (5106006015).

The spelling of 2102004003 in words is "two billion, one hundred two million, four thousand, three".