2002201221120 has 96 divisors (see below), whose sum is σ = 6405479786160. Its totient is φ = 533920317440.

The previous prime is 2002201221091. The next prime is 2002201221169. The reversal of 2002201221120 is 211221022002.

It is a tau number, because it is divible by the number of its divisors (96).

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 2002201221120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32557191 + ... + 32618630.

Almost surely, 2^{2002201221120} is an apocalyptic number.

2002201221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002201221120 is an abundant number, since it is smaller than the sum of its proper divisors (4403278565040).

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

2002201221120 is an equidigital number, since it uses as much as digits as its factorization.

2002201221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65175851 (or 65175831 counting only the distinct ones).

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

Adding to 2002201221120 its reverse (211221022002), we get a palindrome (2213422243122).

The spelling of 2002201221120 in words is "two trillion, two billion, two hundred one million, two hundred twenty-one thousand, one hundred twenty".