2100100010210 has 8 divisors (see below), whose sum is σ = 3780180018396. Its totient is φ = 840040004080.

The previous prime is 2100100010191. The next prime is 2100100010219. The reversal of 2100100010210 is 120100010012.

It can be written as a sum of positive squares in 2 ways, for example, as 2057529179281 + 42570830929 = 1434409^2 + 206327^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100100010219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105005000501 + ... + 105005000520.

Almost surely, 2^{2100100010210} is an apocalyptic number.

2100100010210 is a deficient number, since it is larger than the sum of its proper divisors (1680080008186).

2100100010210 is a wasteful number, since it uses less digits than its factorization.

2100100010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210010001028.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 2100100010210 its reverse (120100010012), we get a palindrome (2220200020222).

The spelling of 2100100010210 in words is "two trillion, one hundred billion, one hundred million, ten thousand, two hundred ten".