100001000201 has 4 divisors (see below), whose sum is σ = 100297739412. Its totient is φ = 99704260992.

The previous prime is 100001000159. The next prime is 100001000249. The reversal of 100001000201 is 102000100001.

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 71406528400 + 28594471801 = 267220^2 + 169099^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001000201 - 2⁶ = 100001000137 is a prime.

It is a super-3 number, since 3×100001000201³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100001000291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148369100 + ... + 148369773.

It is an arithmetic number, because the mean of its divisors is an integer number (25074434853).

Almost surely, 2^100001000201 is an apocalyptic number.

It is an amenable number.

100001000201 is a deficient number, since it is larger than the sum of its proper divisors (296739211).

100001000201 is an equidigital number, since it uses as much as digits as its factorization.

100001000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296739210.

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

Adding to 100001000201 its reverse (102000100001), we get a palindrome (202001100202).

The spelling of 100001000201 in words is "one hundred billion, one million, two hundred one", and thus it is an aban number.