210221200986 has 16 divisors (see below), whose sum is σ = 421211041824. Its totient is φ = 69945627024.

The previous prime is 210221200963. The next prime is 210221201027. The reversal of 210221200986 is 689002122012.

210221200986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 32023105 + ... + 32029668.

It is an arithmetic number, because the mean of its divisors is an integer number (26325690114).

Almost surely, 2^210221200986 is an apocalyptic number.

210221200986 is an abundant number, since it is smaller than the sum of its proper divisors (210989840838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210221200986 is a wasteful number, since it uses less digits than its factorization.

210221200986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64053325.

The product of its (nonzero) digits is 6912, while the sum is 33.

Adding to 210221200986 its reverse (689002122012), we get a palindrome (899223322998).

The spelling of 210221200986 in words is "two hundred ten billion, two hundred twenty-one million, two hundred thousand, nine hundred eighty-six".