201222110020210 has 16 divisors (see below), whose sum is σ = 362203517367000. Its totient is φ = 80488017490176.

The previous prime is 201222110020181. The next prime is 201222110020247. The reversal of 201222110020210 is 12020011222102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 173013062754249 + 28209047265961 = 13153443^2 + 5311219^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102291735 + ... + 104240314.

Almost surely, 2^{201222110020210} is an apocalyptic number.

201222110020210 is a deficient number, since it is larger than the sum of its proper divisors (160981407346790).

201222110020210 is a wasteful number, since it uses less digits than its factorization.

201222110020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206629485.

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

Adding to 201222110020210 its reverse (12020011222102), we get a palindrome (213242121242312).

The spelling of 201222110020210 in words is "two hundred one trillion, two hundred twenty-two billion, one hundred ten million, twenty thousand, two hundred ten".