201222212220200 has 48 divisors (see below), whose sum is σ = 467931150653280. Its totient is φ = 80473485792960.

The previous prime is 201222212220191. The next prime is 201222212220209. The reversal of 201222212220200 is 2022212222102.

201222212220200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (201222212220191) and next prime (201222212220209).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (201222212220209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95196332 + ... + 97287131.

It is an arithmetic number, because the mean of its divisors is an integer number (9748565638610).

Almost surely, 2^{201222212220200} is an apocalyptic number.

201222212220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201222212220200 is an abundant number, since it is smaller than the sum of its proper divisors (266708938433080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201222212220200 is a wasteful number, since it uses less digits than its factorization.

201222212220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192488706 (or 192488697 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 201222212220200 its reverse (2022212222102), we get a palindrome (203244424442302).

The spelling of 201222212220200 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty thousand, two hundred".