10002021010002 has 48 divisors (see below), whose sum is σ = 24783171566400. Its totient is φ = 2855843858016.

The previous prime is 10002021009949. The next prime is 10002021010013. The reversal of 10002021010002 is 20001012020001.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 23 ways as a sum of consecutive naturals, for example, 25868877 + ... + 26252672.

It is an arithmetic number, because the mean of its divisors is an integer number (516316074300).

Almost surely, 2^{10002021010002} is an apocalyptic number.

10002021010002 is an abundant number, since it is smaller than the sum of its proper divisors (14781150556398).

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

10002021010002 is a wasteful number, since it uses less digits than its factorization.

10002021010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52123087 (or 52123084 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10002021010002 its reverse (20001012020001), we get a palindrome (30003033030003).

The spelling of 10002021010002 in words is "ten trillion, two billion, twenty-one million, ten thousand, two".