2100209006 has 32 divisors (see below), whose sum is σ = 3718379520. Its totient is φ = 871016256.

The previous prime is 2100208993. The next prime is 2100209047. The reversal of 2100209006 is 6009020012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40631 + ... + 76493.

It is an arithmetic number, because the mean of its divisors is an integer number (116199360).

Almost surely, 2^2100209006 is an apocalyptic number.

2100209006 is a deficient number, since it is larger than the sum of its proper divisors (1618170514).

2100209006 is a wasteful number, since it uses less digits than its factorization.

2100209006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36008.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2100209006 is about 45828.0373352383. The cubic root of 2100209006 is about 1280.6216475034.

Adding to 2100209006 its reverse (6009020012), we get a palindrome (8109229018).

The spelling of 2100209006 in words is "two billion, one hundred million, two hundred nine thousand, six".