2001000201 has 8 divisors (see below), whose sum is σ = 2678382624. Its totient is φ = 1328808960.

The previous prime is 2001000151. The next prime is 2001000223. The reversal of 2001000201 is 1020001002.

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 2001000201 - 2⁷ = 2001000073 is a prime.

It is a super-3 number, since 3×2001000201³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001000201.

It is not an unprimeable number, because it can be changed into a prime (2001000101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296895 + ... + 1298436.

It is an arithmetic number, because the mean of its divisors is an integer number (334797828).

Almost surely, 2^2001000201 is an apocalyptic number.

It is an amenable number.

2001000201 is a deficient number, since it is larger than the sum of its proper divisors (677382423).

2001000201 is a wasteful number, since it uses less digits than its factorization.

2001000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595591.

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

The square root of 2001000201 is about 44732.5407393767. The cubic root of 2001000201 is about 1260.1310439417.

Adding to 2001000201 its reverse (1020001002), we get a palindrome (3021001203).

The spelling of 2001000201 in words is "two billion, one million, two hundred one", and thus it is an aban number.