2100100210003 has 4 divisors (see below), whose sum is σ = 2116131509448. Its totient is φ = 2084068910560.

The previous prime is 2100100209983. The next prime is 2100100210037. The reversal of 2100100210003 is 3000120010012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100100210003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100100210603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8015649526 + ... + 8015649787.

It is an arithmetic number, because the mean of its divisors is an integer number (529032877362).

Almost surely, 2^{2100100210003} is an apocalyptic number.

2100100210003 is a deficient number, since it is larger than the sum of its proper divisors (16031299445).

2100100210003 is a wasteful number, since it uses less digits than its factorization.

2100100210003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16031299444.

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

Adding to 2100100210003 its reverse (3000120010012), we get a palindrome (5100220220015).

The spelling of 2100100210003 in words is "two trillion, one hundred billion, one hundred million, two hundred ten thousand, three".