1002101012002 has 8 divisors (see below), whose sum is σ = 1503591947676. Its totient is φ = 500903696112.

The previous prime is 1002101011997. The next prime is 1002101012047. The reversal of 1002101012002 is 2002101012001.

It can be written as a sum of positive squares in 2 ways, for example, as 994928446521 + 7172565481 = 997461^2 + 84691^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002101012002.

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 3 ways as a sum of consecutive naturals, for example, 73396413 + ... + 73410064.

Almost surely, 2^{1002101012002} is an apocalyptic number.

1002101012002 is a deficient number, since it is larger than the sum of its proper divisors (501490935674).

1002101012002 is a wasteful number, since it uses less digits than its factorization.

1002101012002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146809892.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1002101012002 its reverse (2002101012001), we get a palindrome (3004202024003).

Subtracting 1002101012002 from its reverse (2002101012001), we obtain a palindrome (999999999999).

The spelling of 1002101012002 in words is "one trillion, two billion, one hundred one million, twelve thousand, two".