211222220019982 has 16 divisors (see below), whose sum is σ = 326628239584752. Its totient is φ = 102378953926080.

The previous prime is 211222220019907. The next prime is 211222220019983. The reversal of 211222220019982 is 289910022222112.

It is a super-2 number, since 2×211222220019982² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222220019983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8203428948 + ... + 8203454695.

It is an arithmetic number, because the mean of its divisors is an integer number (20414264974047).

Almost surely, 2^{211222220019982} is an apocalyptic number.

211222220019982 is a deficient number, since it is larger than the sum of its proper divisors (115406019564770).

211222220019982 is a wasteful number, since it uses less digits than its factorization.

211222220019982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16406883843.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 211222220019982 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred twenty million, nineteen thousand, nine hundred eighty-two".