200100221100212 has 12 divisors (see below), whose sum is σ = 352731411648420. Its totient is φ = 99319817772096.

The previous prime is 200100221100191. The next prime is 200100221100217. The reversal of 200100221100212 is 212001122001002.

It can be written as a sum of positive squares in 2 ways, for example, as 159279443395216 + 40820777704996 = 12620596^2 + 6389114^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200100221100217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182573193887 + ... + 182573194982.

It is an arithmetic number, because the mean of its divisors is an integer number (29394284304035).

Almost surely, 2^{200100221100212} is an apocalyptic number.

It is an amenable number.

200100221100212 is a deficient number, since it is larger than the sum of its proper divisors (152631190548208).

200100221100212 is a wasteful number, since it uses less digits than its factorization.

200100221100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365146389010 (or 365146389008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 200100221100212 its reverse (212001122001002), we get a palindrome (412101343101214).

The spelling of 200100221100212 in words is "two hundred trillion, one hundred billion, two hundred twenty-one million, one hundred thousand, two hundred twelve".