2002221323221 has 8 divisors (see below), whose sum is σ = 2288356225344. Its totient is φ = 1716112242240.

The previous prime is 2002221323213. The next prime is 2002221323237. The reversal of 2002221323221 is 1223231222002.

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 2002221323221 - 2³ = 2002221323213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002221323192 and 2002221323201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002221323281) 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, 6288835 + ... + 6599536.

It is an arithmetic number, because the mean of its divisors is an integer number (286044528168).

Almost surely, 2^{2002221323221} is an apocalyptic number.

It is an amenable number.

2002221323221 is a deficient number, since it is larger than the sum of its proper divisors (286134902123).

2002221323221 is a wasteful number, since it uses less digits than its factorization.

2002221323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12910571.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 2002221323221 its reverse (1223231222002), we get a palindrome (3225452545223).

The spelling of 2002221323221 in words is "two trillion, two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty-one".