2002221120000 has 400 divisors, whose sum is σ = 6730464312000. Its totient is φ = 528715776000.

The previous prime is 2002221119923. The next prime is 2002221120041. The reversal of 2002221120000 is 211222002.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 98869876 + ... + 98890124.

It is an arithmetic number, because the mean of its divisors is an integer number (16826160780).

Almost surely, 2^{2002221120000} is an apocalyptic number.

2002221120000 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 2002221120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3365232156000).

2002221120000 is an abundant number, since it is smaller than the sum of its proper divisors (4728243192000).

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

2002221120000 is an equidigital number, since it uses as much as digits as its factorization.

2002221120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20393 (or 20362 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2002221120000 its reverse (211222002), we get a palindrome (2002432342002).

The spelling of 2002221120000 in words is "two trillion, two billion, two hundred twenty-one million, one hundred twenty thousand".