210101200221 has 8 divisors (see below), whose sum is σ = 305601745824. Its totient is φ = 127334060720.

The previous prime is 210101200213. The next prime is 210101200237. The reversal of 210101200221 is 122002101012.

210101200221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 210101200221 - 2³ = 210101200213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210101200197 and 210101200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101200121) by changing a digit.

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, 3183351486 + ... + 3183351551.

It is an arithmetic number, because the mean of its divisors is an integer number (38200218228).

Almost surely, 2^210101200221 is an apocalyptic number.

It is an amenable number.

210101200221 is a deficient number, since it is larger than the sum of its proper divisors (95500545603).

210101200221 is a wasteful number, since it uses less digits than its factorization.

210101200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6366703051.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210101200221 its reverse (122002101012), we get a palindrome (332103301233).

The spelling of 210101200221 in words is "two hundred ten billion, one hundred one million, two hundred thousand, two hundred twenty-one".