211255322216 has 16 divisors (see below), whose sum is σ = 396196928100. Its totient is φ = 105602808064.

The previous prime is 211255322191. The next prime is 211255322263. The reversal of 211255322216 is 612223552112.

211255322216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205069499716 + 6185822500 = 452846^2 + 78650^2 .

It is a super-2 number, since 2×211255322216² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3070481 + ... + 3138528.

Almost surely, 2^211255322216 is an apocalyptic number.

It is an amenable number.

211255322216 is a deficient number, since it is larger than the sum of its proper divisors (184941605884).

211255322216 is a wasteful number, since it uses less digits than its factorization.

211255322216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213268 (or 6213264 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

Adding to 211255322216 its reverse (612223552112), we get a palindrome (823478874328).

The spelling of 211255322216 in words is "two hundred eleven billion, two hundred fifty-five million, three hundred twenty-two thousand, two hundred sixteen".