200010202222221 has 6 divisors (see below), whose sum is σ = 288903625432110. Its totient is φ = 133340134814808.

The previous prime is 200010202222153. The next prime is 200010202222223. The reversal of 200010202222221 is 122222202010002.

200010202222221 is a `hidden beast` number, since 20 + 0 + 0 + 1 + 0 + 202 + 222 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 198770832129321 + 1239370092900 = 14098611^2 + 1113270^2 .

It is not a de Polignac number, because 200010202222221 - 2¹¹ = 200010202220173 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200010202222194 and 200010202222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200010202222223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11111677901226 + ... + 11111677901243.

It is an arithmetic number, because the mean of its divisors is an integer number (48150604238685).

Almost surely, 2^{200010202222221} is an apocalyptic number.

It is an amenable number.

200010202222221 is a deficient number, since it is larger than the sum of its proper divisors (88893423209889).

200010202222221 is a wasteful number, since it uses less digits than its factorization.

200010202222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22223355802475 (or 22223355802472 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200010202222221 its reverse (122222202010002), we get a palindrome (322232404232223).

The spelling of 200010202222221 in words is "two hundred trillion, ten billion, two hundred two million, two hundred twenty-two thousand, two hundred twenty-one".