210221010201 has 8 divisors (see below), whose sum is σ = 280326862720. Its totient is φ = 140131248912.

The previous prime is 210221010193. The next prime is 210221010217. The reversal of 210221010201 is 102010122012.

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

It is not a de Polignac number, because 210221010201 - 2³ = 210221010193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210221010221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3992290 + ... + 4044603.

It is an arithmetic number, because the mean of its divisors is an integer number (35040857840).

Almost surely, 2^210221010201 is an apocalyptic number.

It is an amenable number.

210221010201 is a deficient number, since it is larger than the sum of its proper divisors (70105852519).

210221010201 is an equidigital number, since it uses as much as digits as its factorization.

210221010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045615.

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

Adding to 210221010201 its reverse (102010122012), we get a palindrome (312231132213).

The spelling of 210221010201 in words is "two hundred ten billion, two hundred twenty-one million, ten thousand, two hundred one".