2100000010 has 16 divisors (see below), whose sum is σ = 3800887272. Its totient is φ = 835358400.

The previous prime is 2099999999. The next prime is 2100000011. The reversal of 2100000010 is 100000012.

It can be written as a sum of positive squares in 4 ways, for example, as 579701929 + 1520298081 = 24077^2 + 38991^2 .

It is not an unprimeable number, because it can be changed into a prime (2100000011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578301 + ... + 581920.

Almost surely, 2^2100000010 is an apocalyptic number.

2100000010 is a deficient number, since it is larger than the sum of its proper divisors (1700887262).

2100000010 is a wasteful number, since it uses less digits than its factorization.

2100000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160409.

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 2100000010 is about 45825.7570586673. The cubic root of 2100000010 is about 1280.5791670202.

Adding to 2100000010 its reverse (100000012), we get a palindrome (2200000022).

The spelling of 2100000010 in words is "two billion, one hundred million, ten", and thus it is an aban number.