211000221982 has 8 divisors (see below), whose sum is σ = 345273090552. Its totient is φ = 95909191800.

The previous prime is 211000221959. The next prime is 211000221997. The reversal of 211000221982 is 289122000112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211000221982.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4795459569 + ... + 4795459612.

It is an arithmetic number, because the mean of its divisors is an integer number (43159136319).

Almost surely, 2^211000221982 is an apocalyptic number.

211000221982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211000221982 is a deficient number, since it is larger than the sum of its proper divisors (134272868570).

211000221982 is a wasteful number, since it uses less digits than its factorization.

211000221982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9590919194.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 211000221982 in words is "two hundred eleven billion, two hundred twenty-one thousand, nine hundred eighty-two".