210122300221 has 16 divisors (see below), whose sum is σ = 215224819200. Its totient is φ = 205074903600.

The previous prime is 210122300197. The next prime is 210122300231. The reversal of 210122300221 is 122003221012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 210122300221 - 2²⁹ = 209585429309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210122300195 and 210122300204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210122300231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6648226 + ... + 6679756.

It is an arithmetic number, because the mean of its divisors is an integer number (13451551200).

Almost surely, 2^210122300221 is an apocalyptic number.

It is an amenable number.

210122300221 is a deficient number, since it is larger than the sum of its proper divisors (5102518979).

210122300221 is a wasteful number, since it uses less digits than its factorization.

210122300221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32400.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210122300221 its reverse (122003221012), we get a palindrome (332125521233).

The spelling of 210122300221 in words is "two hundred ten billion, one hundred twenty-two million, three hundred thousand, two hundred twenty-one".