200221222122221 has 8 divisors (see below), whose sum is σ = 200484804879744. Its totient is φ = 199957670354160.

The previous prime is 200221222122169. The next prime is 200221222122263. The reversal of 200221222122221 is 122221222122002.

200221222122221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 200221222122221 - 2²² = 200221217927917 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 (200221222122721) 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, 5197256 + ... + 20674958.

It is an arithmetic number, because the mean of its divisors is an integer number (25060600609968).

Almost surely, 2^{200221222122221} is an apocalyptic number.

It is an amenable number.

200221222122221 is a deficient number, since it is larger than the sum of its proper divisors (263582757523).

200221222122221 is a wasteful number, since it uses less digits than its factorization.

200221222122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15494731.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 200221222122221 its reverse (122221222122002), we get a palindrome (322442444244223).

The spelling of 200221222122221 in words is "two hundred trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".