210221200010 has 8 divisors (see below), whose sum is σ = 378398160036. Its totient is φ = 84088480000.

The previous prime is 210221200003. The next prime is 210221200039. The reversal of 210221200010 is 10002122012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 187751489809 + 22469710201 = 433303^2 + 149899^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 210221199964 and 210221200000.

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, 10511059991 + ... + 10511060010.

Almost surely, 2^210221200010 is an apocalyptic number.

210221200010 is a deficient number, since it is larger than the sum of its proper divisors (168176960026).

210221200010 is a wasteful number, since it uses less digits than its factorization.

210221200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21022120008.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210221200010 its reverse (10002122012), we get a palindrome (220223322022).

The spelling of 210221200010 in words is "two hundred ten billion, two hundred twenty-one million, two hundred thousand, ten".