200020210212221 has 8 divisors (see below), whose sum is σ = 228859409539584. Its totient is φ = 171247231780560.

The previous prime is 200020210212191. The next prime is 200020210212281. The reversal of 200020210212221 is 122212012020002.

It is a happy number.

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 200020210212221 - 2²⁶ = 200020143103357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200020210212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020210212281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16555217450 + ... + 16555229531.

It is an arithmetic number, because the mean of its divisors is an integer number (28607426192448).

Almost surely, 2^{200020210212221} is an apocalyptic number.

It is an amenable number.

200020210212221 is a deficient number, since it is larger than the sum of its proper divisors (28839199327363).

200020210212221 is an equidigital number, since it uses as much as digits as its factorization.

200020210212221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33110447851.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 200020210212221 its reverse (122212012020002), we get a palindrome (322232222232223).

The spelling of 200020210212221 in words is "two hundred trillion, twenty billion, two hundred ten million, two hundred twelve thousand, two hundred twenty-one".