2100120211 has 16 divisors (see below), whose sum is σ = 2543118336. Its totient is φ = 1693017216.

The previous prime is 2100120157. The next prime is 2100120221. The reversal of 2100120211 is 1120210012.

It is not a de Polignac number, because 2100120211 - 2⁷ = 2100120083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100120221) 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 15 ways as a sum of consecutive naturals, for example, 188190 + ... + 199036.

It is an arithmetic number, because the mean of its divisors is an integer number (158944896).

Almost surely, 2^2100120211 is an apocalyptic number.

2100120211 is a deficient number, since it is larger than the sum of its proper divisors (442998125).

2100120211 is a wasteful number, since it uses less digits than its factorization.

2100120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12498.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2100120211 is about 45827.0685403289. The cubic root of 2100120211 is about 1280.6035993946.

Adding to 2100120211 its reverse (1120210012), we get a palindrome (3220330223).

The spelling of 2100120211 in words is "two billion, one hundred million, one hundred twenty thousand, two hundred eleven".