2002021120202 has 8 divisors (see below), whose sum is σ = 3003154763076. Its totient is φ = 1000969532512.

The previous prime is 2002021120157. The next prime is 2002021120207. The reversal of 2002021120202 is 2020211202002.

It can be written as a sum of positive squares in 2 ways, for example, as 1972392727561 + 29628392641 = 1404419^2 + 172129^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2002021120207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20452763 + ... + 20550414.

Almost surely, 2^{2002021120202} is an apocalyptic number.

2002021120202 is a deficient number, since it is larger than the sum of its proper divisors (1001133642874).

2002021120202 is a wasteful number, since it uses less digits than its factorization.

2002021120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41027592.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2002021120202 its reverse (2020211202002), we get a palindrome (4022232322204).

The spelling of 2002021120202 in words is "two trillion, two billion, twenty-one million, one hundred twenty thousand, two hundred two".