211021100211 has 16 divisors (see below), whose sum is σ = 282732935040. Its totient is φ = 139995179520.

The previous prime is 211021100161. The next prime is 211021100231. The reversal of 211021100211 is 112001120112.

211021100211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211021100211 - 2²⁵ = 210987545779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211021100231) by changing a digit.

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, 5944531 + ... + 5979923.

It is an arithmetic number, because the mean of its divisors is an integer number (17670808440).

Almost surely, 2^211021100211 is an apocalyptic number.

211021100211 is a deficient number, since it is larger than the sum of its proper divisors (71711834829).

211021100211 is a wasteful number, since it uses less digits than its factorization.

211021100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45026.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211021100211 its reverse (112001120112), we get a palindrome (323022220323).

The spelling of 211021100211 in words is "two hundred eleven billion, twenty-one million, one hundred thousand, two hundred eleven".