211844682122 has 16 divisors (see below), whose sum is σ = 324554289480. Its totient is φ = 103669692672.

The previous prime is 211844682089. The next prime is 211844682191. The reversal of 211844682122 is 221286448112.

It can be written as a sum of positive squares in 4 ways, for example, as 200292946681 + 11551735441 = 447541^2 + 107479^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211844682122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2399843 + ... + 2486550.

Almost surely, 2^211844682122 is an apocalyptic number.

211844682122 is a deficient number, since it is larger than the sum of its proper divisors (112709607358).

211844682122 is a wasteful number, since it uses less digits than its factorization.

211844682122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886857.

The product of its digits is 98304, while the sum is 41.

The spelling of 211844682122 in words is "two hundred eleven billion, eight hundred forty-four million, six hundred eighty-two thousand, one hundred twenty-two".