2002021120221 has 8 divisors (see below), whose sum is σ = 2669567213280. Its totient is φ = 1334577886992.

The previous prime is 2002021120219. The next prime is 2002021120241. The reversal of 2002021120221 is 1220211202002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002021120221 - 2¹ = 2002021120219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002021120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002021120241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25669530 + ... + 25747403.

It is an arithmetic number, because the mean of its divisors is an integer number (333695901660).

Almost surely, 2^{2002021120221} is an apocalyptic number.

It is an amenable number.

2002021120221 is a deficient number, since it is larger than the sum of its proper divisors (667546093059).

2002021120221 is a wasteful number, since it uses less digits than its factorization.

2002021120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51429915.

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

Adding to 2002021120221 its reverse (1220211202002), we get a palindrome (3222232322223).

The spelling of 2002021120221 in words is "two trillion, two billion, twenty-one million, one hundred twenty thousand, two hundred twenty-one".