201122201200 has 30 divisors (see below), whose sum is σ = 483196089344. Its totient is φ = 80448880320.

The previous prime is 201122201173. The next prime is 201122201221. The reversal of 201122201200 is 2102221102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 251402352 + ... + 251403151.

Almost surely, 2^201122201200 is an apocalyptic number.

201122201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201122201200 is an abundant number, since it is smaller than the sum of its proper divisors (282073888144).

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

201122201200 is a wasteful number, since it uses less digits than its factorization.

201122201200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502805521 (or 502805510 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201122201200 its reverse (2102221102), we get a palindrome (203224422302).

The spelling of 201122201200 in words is "two hundred one billion, one hundred twenty-two million, two hundred one thousand, two hundred".