200001121222200 has 384 divisors, whose sum is σ = 663187722912000. Its totient is φ = 49684997939200.

The previous prime is 200001121222193. The next prime is 200001121222213. The reversal of 200001121222200 is 2222121100002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200001121222200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 519589411 + ... + 519974189.

It is an arithmetic number, because the mean of its divisors is an integer number (1727051361750).

Almost surely, 2^{200001121222200} is an apocalyptic number.

200001121222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200001121222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331593861456000).

200001121222200 is an abundant number, since it is smaller than the sum of its proper divisors (463186601689800).

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

200001121222200 is a wasteful number, since it uses less digits than its factorization.

200001121222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385335 (or 385326 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200001121222200 its reverse (2222121100002), we get a palindrome (202223242322202).

The spelling of 200001121222200 in words is "two hundred trillion, one billion, one hundred twenty-one million, two hundred twenty-two thousand, two hundred".