200212200022221 has 24 divisors (see below), whose sum is σ = 294358395961344. Its totient is φ = 131112690357600.

The previous prime is 200212200022189. The next prime is 200212200022283. The reversal of 200212200022221 is 122220002212002.

200212200022221 is a `hidden beast` number, since 200 + 2 + 1 + 220 + 0 + 0 + 22 + 221 = 666.

200212200022221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200212200022221 - 2⁵ = 200212200022189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200212200022194 and 200212200022203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200212200026221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867031981 + ... + 867262866.

It is an arithmetic number, because the mean of its divisors is an integer number (12264933165056).

Almost surely, 2^{200212200022221} is an apocalyptic number.

It is an amenable number.

200212200022221 is a deficient number, since it is larger than the sum of its proper divisors (94146195939123).

200212200022221 is a wasteful number, since it uses less digits than its factorization.

200212200022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734295081 (or 1734295078 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200212200022221 its reverse (122220002212002), we get a palindrome (322432202234223).

The spelling of 200212200022221 in words is "two hundred trillion, two hundred twelve billion, two hundred million, twenty-two thousand, two hundred twenty-one".