201022221200 has 60 divisors (see below), whose sum is σ = 483116303280. Its totient is φ = 80382180480.

The previous prime is 201022221187. The next prime is 201022221221. The reversal of 201022221200 is 2122220102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144871 + ... + 1308729.

It is an arithmetic number, because the mean of its divisors is an integer number (8051938388).

Almost surely, 2^201022221200 is an apocalyptic number.

201022221200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022221200 is an abundant number, since it is smaller than the sum of its proper divisors (282094082080).

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

201022221200 is a wasteful number, since it uses less digits than its factorization.

201022221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166944 (or 166933 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201022221200 its reverse (2122220102), we get a palindrome (203144441302).

The spelling of 201022221200 in words is "two hundred one billion, twenty-two million, two hundred twenty-one thousand, two hundred".