220200211222221 has 8 divisors (see below), whose sum is σ = 299139909585120. Its totient is φ = 144030326837072.

The previous prime is 220200211222207. The next prime is 220200211222267. The reversal of 220200211222221 is 122222112002022.

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 220200211222221 - 2¹⁴ = 220200211205837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220200211222291) 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, 692453494251 + ... + 692453494568.

It is an arithmetic number, because the mean of its divisors is an integer number (37392488698140).

Almost surely, 2^{220200211222221} is an apocalyptic number.

It is an amenable number.

220200211222221 is a deficient number, since it is larger than the sum of its proper divisors (78939698362899).

220200211222221 is a wasteful number, since it uses less digits than its factorization.

220200211222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384906988875.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 220200211222221 its reverse (122222112002022), we get a palindrome (342422323224243).

The spelling of 220200211222221 in words is "two hundred twenty trillion, two hundred billion, two hundred eleven million, two hundred twenty-two thousand, two hundred twenty-one".