200001010221 has 64 divisors (see below), whose sum is σ = 328804761600. Its totient is φ = 119640369600.

The previous prime is 200001010201. The next prime is 200001010267. The reversal of 200001010221 is 122010100002.

It is not a de Polignac number, because 200001010221 - 2⁵ = 200001010189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001010201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 613651 + ... + 881231.

It is an arithmetic number, because the mean of its divisors is an integer number (5137574400).

Almost surely, 2^200001010221 is an apocalyptic number.

It is an amenable number.

200001010221 is a deficient number, since it is larger than the sum of its proper divisors (128803751379).

200001010221 is a wasteful number, since it uses less digits than its factorization.

200001010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267687 (or 267681 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200001010221 its reverse (122010100002), we get a palindrome (322011110223).

The spelling of 200001010221 in words is "two hundred billion, one million, ten thousand, two hundred twenty-one".