211122210986 has 16 divisors (see below), whose sum is σ = 324628446600. Its totient is φ = 102945224448.

The previous prime is 211122210919. The next prime is 211122211007. The reversal of 211122210986 is 689012221112.

211122210986 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 4 ways, for example, as 141409842025 + 69712368961 = 376045^2 + 264031^2 .

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 7 ways as a sum of consecutive naturals, for example, 8110841 + ... + 8136828.

Almost surely, 2^211122210986 is an apocalyptic number.

211122210986 is a deficient number, since it is larger than the sum of its proper divisors (113506235614).

211122210986 is a wasteful number, since it uses less digits than its factorization.

211122210986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16247833.

The product of its (nonzero) digits is 6912, while the sum is 35.

The spelling of 211122210986 in words is "two hundred eleven billion, one hundred twenty-two million, two hundred ten thousand, nine hundred eighty-six".