201210221202210 has 96 divisors (see below), whose sum is σ = 576039049889472. Its totient is φ = 48322364058240.

The previous prime is 201210221202181. The next prime is 201210221202223. The reversal of 201210221202210 is 12202122012102.

It is a happy number.

201210221202210 is a `hidden beast` number, since 2 + 0 + 1 + 210 + 221 + 20 + 2 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 949626069 + ... + 949837928.

It is an arithmetic number, because the mean of its divisors is an integer number (6000406769682).

Almost surely, 2^{201210221202210} is an apocalyptic number.

201210221202210 is an abundant number, since it is smaller than the sum of its proper divisors (374828828687262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201210221202210 is a wasteful number, since it uses less digits than its factorization.

201210221202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899464128 (or 1899464125 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201210221202210 its reverse (12202122012102), we get a palindrome (213412343214312).

The spelling of 201210221202210 in words is "two hundred one trillion, two hundred ten billion, two hundred twenty-one million, two hundred two thousand, two hundred ten".