2201002001 has 8 divisors (see below), whose sum is σ = 2401432608. Its totient is φ = 2000628000.

The previous prime is 2201001991. The next prime is 2201002039. The reversal of 2201002001 is 1002001022.

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

It is a cyclic number.

It is not a de Polignac number, because 2201002001 - 2⁶ = 2201001937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201002001.

It is not an unprimeable number, because it can be changed into a prime (2201002501) 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, 146981 + ... + 161261.

It is an arithmetic number, because the mean of its divisors is an integer number (300179076).

Almost surely, 2^2201002001 is an apocalyptic number.

It is an amenable number.

2201002001 is a deficient number, since it is larger than the sum of its proper divisors (200430607).

2201002001 is a wasteful number, since it uses less digits than its factorization.

2201002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28303.

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

The square root of 2201002001 is about 46914.8377488402. The cubic root of 2201002001 is about 1300.7888705077.

Adding to 2201002001 its reverse (1002001022), we get a palindrome (3203003023).

The spelling of 2201002001 in words is "two billion, two hundred one million, two thousand, one".