2122201100200 has 24 divisors (see below), whose sum is σ = 4934117558430. Its totient is φ = 848880440000.

The previous prime is 2122201100191. The next prime is 2122201100203. The reversal of 2122201100200 is 20011022212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 817082213476 + 1305118886724 = 903926^2 + 1142418^2 .

It is not an unprimeable number, because it can be changed into a prime (2122201100203) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5305502551 + ... + 5305502950.

Almost surely, 2^{2122201100200} is an apocalyptic number.

2122201100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122201100200 is an abundant number, since it is smaller than the sum of its proper divisors (2811916458230).

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

2122201100200 is a wasteful number, since it uses less digits than its factorization.

2122201100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611005517 (or 10611005508 counting only the distinct ones).

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

Adding to 2122201100200 its reverse (20011022212), we get a palindrome (2142212122412).

The spelling of 2122201100200 in words is "two trillion, one hundred twenty-two billion, two hundred one million, one hundred thousand, two hundred".