2002102221331 has 4 divisors (see below), whose sum is σ = 2002452428592. Its totient is φ = 2001752014072.

The previous prime is 2002102221323. The next prime is 2002102221367. The reversal of 2002102221331 is 1331222012002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2002102221331 - 2³ = 2002102221323 is a prime.

It is a super-2 number, since 2×2002102221331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002102221299 and 2002102221308.

It is not an unprimeable number, because it can be changed into a prime (2002102221311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175095055 + ... + 175106488.

It is an arithmetic number, because the mean of its divisors is an integer number (500613107148).

Almost surely, 2^{2002102221331} is an apocalyptic number.

2002102221331 is a deficient number, since it is larger than the sum of its proper divisors (350207261).

2002102221331 is an equidigital number, since it uses as much as digits as its factorization.

2002102221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350207260.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2002102221331 its reverse (1331222012002), we get a palindrome (3333324233333).

The spelling of 2002102221331 in words is "two trillion, two billion, one hundred two million, two hundred twenty-one thousand, three hundred thirty-one".