200021221120110 has 256 divisors, whose sum is σ = 533084364288000. Its totient is φ = 47722604396544.

The previous prime is 200021221120093. The next prime is 200021221120139. The reversal of 200021221120110 is 11021122120002.

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 200021221120110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6764543406 + ... + 6764572974.

It is an arithmetic number, because the mean of its divisors is an integer number (2082360798000).

Almost surely, 2^{200021221120110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200021221120110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266542182144000).

200021221120110 is an abundant number, since it is smaller than the sum of its proper divisors (333063143167890).

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

200021221120110 is a wasteful number, since it uses less digits than its factorization.

200021221120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33195.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200021221120110 its reverse (11021122120002), we get a palindrome (211042343240112).

The spelling of 200021221120110 in words is "two hundred trillion, twenty-one billion, two hundred twenty-one million, one hundred twenty thousand, one hundred ten".