2102010003 has 6 divisors (see below), whose sum is σ = 3036236684. Its totient is φ = 1401339996.

The previous prime is 2102009993. The next prime is 2102010023. The reversal of 2102010003 is 3000102012.

It is a happy number.

It is not a de Polignac number, because 2102010003 - 2⁸ = 2102009747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 233556667 = 2102010003 / (2 + 1 + 0 + 2 + 0 + 1 + 0 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102010023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116778325 + ... + 116778342.

Almost surely, 2^2102010003 is an apocalyptic number.

2102010003 is a deficient number, since it is larger than the sum of its proper divisors (934226681).

2102010003 is a wasteful number, since it uses less digits than its factorization.

2102010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233556673 (or 233556670 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 2102010003 is about 45847.6826350035. The cubic root of 2102010003 is about 1280.9876010478.

Adding to 2102010003 its reverse (3000102012), we get a palindrome (5102112015).

The spelling of 2102010003 in words is "two billion, one hundred two million, ten thousand, three".