1002002210001 has 16 divisors (see below), whose sum is σ = 1598636005120. Its totient is φ = 616616744400.

The previous prime is 1002002209937. The next prime is 1002002210009. The reversal of 1002002210001 is 1000122002001.

It is not a de Polignac number, because 1002002210001 - 2⁶ = 1002002209937 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002002210009) by changing a digit.

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, 1427353225 + ... + 1427353926.

It is an arithmetic number, because the mean of its divisors is an integer number (99914750320).

Almost surely, 2^{1002002210001} is an apocalyptic number.

It is an amenable number.

1002002210001 is a deficient number, since it is larger than the sum of its proper divisors (596633795119).

1002002210001 is a wasteful number, since it uses less digits than its factorization.

1002002210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854707173 (or 2854707167 counting only the distinct ones).

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

Adding to 1002002210001 its reverse (1000122002001), we get a palindrome (2002124212002).

The spelling of 1002002210001 in words is "one trillion, two billion, two million, two hundred ten thousand, one".