200010012200221 has 4 divisors (see below), whose sum is σ = 201844966440700. Its totient is φ = 198175057959744.

The previous prime is 200010012200203. The next prime is 200010012200233. The reversal of 200010012200221 is 122002210010002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103204366692025 + 96805645508196 = 10158955^2 + 9838986^2 .

It is a cyclic number.

It is not a de Polignac number, because 200010012200221 - 2²¹ = 200010010103069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200010012200521) 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, 917477120076 + ... + 917477120293.

It is an arithmetic number, because the mean of its divisors is an integer number (50461241610175).

Almost surely, 2^{200010012200221} is an apocalyptic number.

It is an amenable number.

200010012200221 is a deficient number, since it is larger than the sum of its proper divisors (1834954240479).

200010012200221 is a wasteful number, since it uses less digits than its factorization.

200010012200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1834954240478.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200010012200221 its reverse (122002210010002), we get a palindrome (322012222210223).

The spelling of 200010012200221 in words is "two hundred trillion, ten billion, twelve million, two hundred thousand, two hundred twenty-one".