200221001222221 has 8 divisors (see below), whose sum is σ = 228956806983104. Its totient is φ = 171518396857920.

The previous prime is 200221001222219. The next prime is 200221001222227. The reversal of 200221001222221 is 122222100122002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200221001222221 - 2¹ = 200221001222219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200221001222227) 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 7 ways as a sum of consecutive naturals, for example, 8300336220 + ... + 8300360341.

It is an arithmetic number, because the mean of its divisors is an integer number (28619600872888).

Almost surely, 2^{200221001222221} is an apocalyptic number.

It is an amenable number.

200221001222221 is a deficient number, since it is larger than the sum of its proper divisors (28735805760883).

200221001222221 is a wasteful number, since it uses less digits than its factorization.

200221001222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16600698291.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 200221001222221 its reverse (122222100122002), we get a palindrome (322443101344223).

The spelling of 200221001222221 in words is "two hundred trillion, two hundred twenty-one billion, one million, two hundred twenty-two thousand, two hundred twenty-one".