200021221120 has 216 divisors, whose sum is σ = 555964353504. Its totient is φ = 67541557248.

The previous prime is 200021221097. The next prime is 200021221207. The reversal of 200021221120 is 21122120002.

It is a happy number.

It is a super-3 number, since 3×200021221120³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200021221120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40218954 + ... + 40223926.

It is an arithmetic number, because the mean of its divisors is an integer number (2573909044).

Almost surely, 2^200021221120 is an apocalyptic number.

200021221120 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 200021221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277982176752).

200021221120 is an abundant number, since it is smaller than the sum of its proper divisors (355943132384).

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

200021221120 is an frugal number, since it uses more digits than its factorization.

200021221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135 (or 5054 counting only the distinct ones).

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

Adding to 200021221120 its reverse (21122120002), we get a palindrome (221143341122).

The spelling of 200021221120 in words is "two hundred billion, twenty-one million, two hundred twenty-one thousand, one hundred twenty".