200211201020221 has 8 divisors (see below), whose sum is σ = 201228396989400. Its totient is φ = 199194014096448.

The previous prime is 200211201020167. The next prime is 200211201020251. The reversal of 200211201020221 is 122020102112002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 127907300971321 + 72303900048900 = 11309611^2 + 8503170^2 .

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 200211201020221 - 2²¹ = 200211198923069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200211201020195 and 200211201020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200211201020251) 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 7 ways as a sum of consecutive naturals, for example, 44577255 + ... + 48862603.

It is an arithmetic number, because the mean of its divisors is an integer number (25153549623675).

Almost surely, 2^{200211201020221} is an apocalyptic number.

It is an amenable number.

200211201020221 is a deficient number, since it is larger than the sum of its proper divisors (1017195969179).

200211201020221 is a wasteful number, since it uses less digits than its factorization.

200211201020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522703.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200211201020221 its reverse (122020102112002), we get a palindrome (322231303132223).

The spelling of 200211201020221 in words is "two hundred trillion, two hundred eleven billion, two hundred one million, twenty thousand, two hundred twenty-one".