200211002221221 has 24 divisors (see below), whose sum is σ = 298625544532224. Its totient is φ = 129123801060480.

The previous prime is 200211002221193. The next prime is 200211002221249. The reversal of 200211002221221 is 122122200112002.

It is a happy number.

200211002221221 is a `hidden beast` number, since 200 + 21 + 1 + 0 + 0 + 2 + 221 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (200211002221193) and next prime (200211002221249).

It is not a de Polignac number, because 200211002221221 - 2⁷ = 200211002221093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200211002221194 and 200211002221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211002220221) 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 23 ways as a sum of consecutive naturals, for example, 123044371 + ... + 124660896.

It is an arithmetic number, because the mean of its divisors is an integer number (12442731022176).

Almost surely, 2^{200211002221221} is an apocalyptic number.

It is an amenable number.

200211002221221 is a deficient number, since it is larger than the sum of its proper divisors (98414542311003).

200211002221221 is a wasteful number, since it uses less digits than its factorization.

200211002221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247708201 (or 247708198 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200211002221221 its reverse (122122200112002), we get a palindrome (322333202333223).

The spelling of 200211002221221 in words is "two hundred trillion, two hundred eleven billion, two million, two hundred twenty-one thousand, two hundred twenty-one".