2002220112221 has 8 divisors (see below), whose sum is σ = 2304713799360. Its totient is φ = 1703841985728.

The previous prime is 2002220112199. The next prime is 2002220112223. The reversal of 2002220112221 is 1222110222002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2002220112221 - 2¹⁸ = 2002219850077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002220112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002220112223) 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 7 ways as a sum of consecutive naturals, for example, 1028889116 + ... + 1028891061.

It is an arithmetic number, because the mean of its divisors is an integer number (288089224920).

Almost surely, 2^{2002220112221} is an apocalyptic number.

It is an amenable number.

2002220112221 is a deficient number, since it is larger than the sum of its proper divisors (302493687139).

2002220112221 is a wasteful number, since it uses less digits than its factorization.

2002220112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057780323.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2002220112221 its reverse (1222110222002), we get a palindrome (3224330334223).

The spelling of 2002220112221 in words is "two trillion, two billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty-one".