211828110211 has 2 divisors, whose sum is σ = 211828110212. Its totient is φ = 211828110210.

The previous prime is 211828110103. The next prime is 211828110239. The reversal of 211828110211 is 112011828112.

It is an a-pointer prime, because the next prime (211828110239) can be obtained adding 211828110211 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211828110211 - 2⁷ = 211828110083 is a prime.

It is a super-2 number, since 2×211828110211² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211828110211.

It is not a weakly prime, because it can be changed into another prime (211828110911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105914055105 + 105914055106.

It is an arithmetic number, because the mean of its divisors is an integer number (105914055106).

Almost surely, 2^211828110211 is an apocalyptic number.

211828110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

211828110211 is an equidigital number, since it uses as much as digits as its factorization.

211828110211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 28.

Adding to 211828110211 its reverse (112011828112), we get a palindrome (323839938323).

The spelling of 211828110211 in words is "two hundred eleven billion, eight hundred twenty-eight million, one hundred ten thousand, two hundred eleven".