2002120320221 has 16 divisors (see below), whose sum is σ = 2303698320000. Its totient is φ = 1704434566848.

The previous prime is 2002120320209. The next prime is 2002120320223. The reversal of 2002120320221 is 1220230212002.

It is a cyclic number.

It is not a de Polignac number, because 2002120320221 - 2⁶ = 2002120320157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2002120320221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002120320223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12592406 + ... + 12750408.

It is an arithmetic number, because the mean of its divisors is an integer number (143981145000).

Almost surely, 2^{2002120320221} is an apocalyptic number.

It is an amenable number.

2002120320221 is a deficient number, since it is larger than the sum of its proper divisors (301577999779).

2002120320221 is a wasteful number, since it uses less digits than its factorization.

2002120320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170308.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2002120320221 its reverse (1220230212002), we get a palindrome (3222350532223).

The spelling of 2002120320221 in words is "two trillion, two billion, one hundred twenty million, three hundred twenty thousand, two hundred twenty-one".