210102110210221 has 8 divisors (see below), whose sum is σ = 210359591417120. Its totient is φ = 209844638741808.

The previous prime is 210102110210189. The next prime is 210102110210243. The reversal of 210102110210221 is 122012011201012.

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 210102110210221 - 2⁵ = 210102110210189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210102110210195 and 210102110210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210102110210521) 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, 41219890 + ... + 46035676.

It is an arithmetic number, because the mean of its divisors is an integer number (26294948927140).

Almost surely, 2^{210102110210221} is an apocalyptic number.

It is an amenable number.

210102110210221 is a deficient number, since it is larger than the sum of its proper divisors (257481206899).

210102110210221 is an equidigital number, since it uses as much as digits as its factorization.

210102110210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869243.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210102110210221 its reverse (122012011201012), we get a palindrome (332114121411233).

The spelling of 210102110210221 in words is "two hundred ten trillion, one hundred two billion, one hundred ten million, two hundred ten thousand, two hundred twenty-one".