2100100010203 has 8 divisors (see below), whose sum is σ = 2314242587888. Its totient is φ = 1893471207264.

The previous prime is 2100100010191. The next prime is 2100100010219. The reversal of 2100100010203 is 3020100010012.

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

It is not a de Polignac number, because 2100100010203 - 2⁹ = 2100100009691 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 2100100010203.

It is not an unprimeable number, because it can be changed into a prime (2100100010303) 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, 1878443100 + ... + 1878444217.

It is an arithmetic number, because the mean of its divisors is an integer number (289280323486).

Almost surely, 2^{2100100010203} is an apocalyptic number.

2100100010203 is a deficient number, since it is larger than the sum of its proper divisors (214142577685).

2100100010203 is a wasteful number, since it uses less digits than its factorization.

2100100010203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756887373.

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

Adding to 2100100010203 its reverse (3020100010012), we get a palindrome (5120200020215).

The spelling of 2100100010203 in words is "two trillion, one hundred billion, one hundred million, ten thousand, two hundred three".