2002021210002 has 64 divisors (see below), whose sum is σ = 4534636815360. Its totient is φ = 583683374400.

The previous prime is 2002021209989. The next prime is 2002021210037. The reversal of 2002021210002 is 2000121202002.

It is a self number, because there is not a number n which added to its sum of digits gives 2002021210002.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1306374 + ... + 2389697.

It is an arithmetic number, because the mean of its divisors is an integer number (70853700240).

Almost surely, 2^{2002021210002} is an apocalyptic number.

2002021210002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2002021210002 is an abundant number, since it is smaller than the sum of its proper divisors (2532615605358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002021210002 is a wasteful number, since it uses less digits than its factorization.

2002021210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3696399.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2002021210002 its reverse (2000121202002), we get a palindrome (4002142412004).

The spelling of 2002021210002 in words is "two trillion, two billion, twenty-one million, two hundred ten thousand, two".