2000221021120 has 112 divisors (see below), whose sum is σ = 5446210291200. Its totient is φ = 685443400704.

The previous prime is 2000221021109. The next prime is 2000221021129. The reversal of 2000221021120 is 211201220002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 2000221021120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000221021129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4226181 + ... + 4675579.

It is an arithmetic number, because the mean of its divisors is an integer number (48626877600).

Almost surely, 2^{2000221021120} is an apocalyptic number.

2000221021120 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 2000221021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2723105145600).

2000221021120 is an abundant number, since it is smaller than the sum of its proper divisors (3445989270080).

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

2000221021120 is a wasteful number, since it uses less digits than its factorization.

2000221021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451410 (or 451400 counting only the distinct ones).

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

Adding to 2000221021120 its reverse (211201220002), we get a palindrome (2211422241122).

The spelling of 2000221021120 in words is "two trillion, two hundred twenty-one million, twenty-one thousand, one hundred twenty".