10002002001 has 8 divisors (see below), whose sum is σ = 13336750560. Its totient is φ = 6667627392.

The previous prime is 10002001993. The next prime is 10002002051. The reversal of 10002002001 is 10020020001.

It is a happy number.

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

It is not a de Polignac number, because 10002002001 - 2³ = 10002001993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10002002051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23616 + ... + 143393.

It is an arithmetic number, because the mean of its divisors is an integer number (1667093820).

Almost surely, 2^10002002001 is an apocalyptic number.

It is an amenable number.

10002002001 is a deficient number, since it is larger than the sum of its proper divisors (3334748559).

10002002001 is a wasteful number, since it uses less digits than its factorization.

10002002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186975.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 10002002001 its reverse (10020020001), we get a palindrome (20022022002).

It can be divided in two parts, 1000 and 2002001, that added together give a triangular number (2003001 = T₂₀₀₁).

The spelling of 10002002001 in words is "ten billion, two million, two thousand, one".