201022221201210 has 48 divisors (see below), whose sum is σ = 525394203310080. Its totient is φ = 53325266352480.

The previous prime is 201022221201203. The next prime is 201022221201229. The reversal of 201022221201210 is 12102122220102.

It is a happy number.

201022221201210 is a `hidden beast` number, since 2 + 0 + 10 + 22 + 221 + 201 + 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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5847051490 + ... + 5847085869.

It is an arithmetic number, because the mean of its divisors is an integer number (10945712568960).

Almost surely, 2^{201022221201210} is an apocalyptic number.

201022221201210 is an abundant number, since it is smaller than the sum of its proper divisors (324371982108870).

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

201022221201210 is a wasteful number, since it uses less digits than its factorization.

201022221201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11694137563 (or 11694137560 counting only the distinct ones).

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

Adding to 201022221201210 its reverse (12102122220102), we get a palindrome (213124343421312).

The spelling of 201022221201210 in words is "two hundred one trillion, twenty-two billion, two hundred twenty-one million, two hundred one thousand, two hundred ten".