210101010302221 has 16 divisors (see below), whose sum is σ = 214027787736000. Its totient is φ = 206186693309568.

The previous prime is 210101010302189. The next prime is 210101010302291. The reversal of 210101010302221 is 122203010101012.

It is a cyclic number.

It is not a de Polignac number, because 210101010302221 - 2⁵ = 210101010302189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210101010302195 and 210101010302204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210101010302291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89547330 + ... + 91863628.

It is an arithmetic number, because the mean of its divisors is an integer number (13376736733500).

Almost surely, 2^{210101010302221} is an apocalyptic number.

It is an amenable number.

210101010302221 is a deficient number, since it is larger than the sum of its proper divisors (3926777433779).

210101010302221 is a wasteful number, since it uses less digits than its factorization.

210101010302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318988.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 210101010302221 its reverse (122203010101012), we get a palindrome (332304020403233).

The spelling of 210101010302221 in words is "two hundred ten trillion, one hundred one billion, ten million, three hundred two thousand, two hundred twenty-one".