210221210201 has 8 divisors (see below), whose sum is σ = 213880527840. Its totient is φ = 206577236448.

The previous prime is 210221210057. The next prime is 210221210239. The reversal of 210221210201 is 102012122012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210221210201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210221215201) 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 7 ways as a sum of consecutive naturals, for example, 3808331 + ... + 3863136.

It is an arithmetic number, because the mean of its divisors is an integer number (26735065980).

Almost surely, 2^210221210201 is an apocalyptic number.

It is an amenable number.

210221210201 is a deficient number, since it is larger than the sum of its proper divisors (3659317639).

210221210201 is an equidigital number, since it uses as much as digits as its factorization.

210221210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671943.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210221210201 its reverse (102012122012), we get a palindrome (312233332213).

The spelling of 210221210201 in words is "two hundred ten billion, two hundred twenty-one million, two hundred ten thousand, two hundred one".