210221010332 has 12 divisors (see below), whose sum is σ = 367897715136. Its totient is φ = 105107377440.

The previous prime is 210221010323. The next prime is 210221010403. The reversal of 210221010332 is 233010122012.

It is a self number, because there is not a number n which added to its sum of digits gives 210221010332.

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, 627308 + ... + 902195.

It is an arithmetic number, because the mean of its divisors is an integer number (30658142928).

Almost surely, 2^210221010332 is an apocalyptic number.

It is an amenable number.

210221010332 is a deficient number, since it is larger than the sum of its proper divisors (157676704804).

210221010332 is a wasteful number, since it uses less digits than its factorization.

210221010332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563868 (or 1563866 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210221010332 its reverse (233010122012), we get a palindrome (443231132344).

The spelling of 210221010332 in words is "two hundred ten billion, two hundred twenty-one million, ten thousand, three hundred thirty-two".