100002010001 has 4 divisors (see below), whose sum is σ = 100026070452. Its totient is φ = 99977949552.

The previous prime is 100002009983. The next prime is 100002010049. The reversal of 100002010001 is 100010200001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68212902976 + 31789107025 = 261176^2 + 178295^2 .

It is a cyclic number.

It is not a de Polignac number, because 100002010001 - 2²⁶ = 99934901137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100002010081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12023990 + ... + 12032303.

It is an arithmetic number, because the mean of its divisors is an integer number (25006517613).

Almost surely, 2^100002010001 is an apocalyptic number.

It is an amenable number.

100002010001 is a deficient number, since it is larger than the sum of its proper divisors (24060451).

100002010001 is an equidigital number, since it uses as much as digits as its factorization.

100002010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24060450.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 100002010001 its reverse (100010200001), we get a palindrome (200012210002).

The spelling of 100002010001 in words is "one hundred billion, two million, ten thousand, one".