211000100211 has 12 divisors (see below), whose sum is σ = 305031708280. Its totient is φ = 140549601600.

The previous prime is 211000100197. The next prime is 211000100221. The reversal of 211000100211 is 112001000112.

It is a happy number.

It is not a de Polignac number, because 211000100211 - 2⁶ = 211000100147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211000100193 and 211000100202.

It is not an unprimeable number, because it can be changed into a prime (211000100221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9749581 + ... + 9771198.

Almost surely, 2^211000100211 is an apocalyptic number.

211000100211 is a deficient number, since it is larger than the sum of its proper divisors (94031608069).

211000100211 is a wasteful number, since it uses less digits than its factorization.

211000100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19521986 (or 19521983 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 211000100211 its reverse (112001000112), we get a palindrome (323001100323).

The spelling of 211000100211 in words is "two hundred eleven billion, one hundred thousand, two hundred eleven".