201020221102210 has 16 divisors (see below), whose sum is σ = 361898772919992. Its totient is φ = 80394227344000.

The previous prime is 201020221102199. The next prime is 201020221102241. The reversal of 201020221102210 is 12201122020102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 197741503319481 + 3278717782729 = 14062059^2 + 1810723^2 .

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, 1732576201 + ... + 1732692220.

Almost surely, 2^{201020221102210} is an apocalyptic number.

201020221102210 is a deficient number, since it is larger than the sum of its proper divisors (160878551817782).

201020221102210 is a wasteful number, since it uses less digits than its factorization.

201020221102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465274229.

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

Adding to 201020221102210 its reverse (12201122020102), we get a palindrome (213221343122312).

The spelling of 201020221102210 in words is "two hundred one trillion, twenty billion, two hundred twenty-one million, one hundred two thousand, two hundred ten".