2002120022002 has 32 divisors (see below), whose sum is σ = 3105169095600. Its totient is φ = 967449443328.

The previous prime is 2002120021969. The next prime is 2002120022059. The reversal of 2002120022002 is 2002200212002.

It can be written as a sum of positive squares in 8 ways, for example, as 1257625430721 + 744494591281 = 1121439^2 + 862841^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6910024 + ... + 7193932.

Almost surely, 2^{2002120022002} is an apocalyptic number.

2002120022002 is a deficient number, since it is larger than the sum of its proper divisors (1103049073598).

2002120022002 is a wasteful number, since it uses less digits than its factorization.

2002120022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284590.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2002120022002 its reverse (2002200212002), we get a palindrome (4004320234004).

It can be divided in two parts, 200212002 and 2002, that multiplied together give a palindrome (400824428004).

The spelling of 2002120022002 in words is "two trillion, two billion, one hundred twenty million, twenty-two thousand, two".