327122820221 has 16 divisors (see below), whose sum is σ = 346510095360. Its totient is φ = 308286095040.

The previous prime is 327122820187. The next prime is 327122820223. The reversal of 327122820221 is 122028221723.

It is a cyclic number.

It is not a de Polignac number, because 327122820221 - 2¹⁴ = 327122803837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327122820223) 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 15 ways as a sum of consecutive naturals, for example, 1745171 + ... + 1923503.

It is an arithmetic number, because the mean of its divisors is an integer number (21656880960).

Almost surely, 2^327122820221 is an apocalyptic number.

It is an amenable number.

327122820221 is a deficient number, since it is larger than the sum of its proper divisors (19387275139).

327122820221 is a wasteful number, since it uses less digits than its factorization.

327122820221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179876.

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 327122820221 in words is "three hundred twenty-seven billion, one hundred twenty-two million, eight hundred twenty thousand, two hundred twenty-one".