2002011001 has 16 divisors (see below), whose sum is σ = 2146227840. Its totient is φ = 1860883200.

The previous prime is 2002010993. The next prime is 2002011007. The reversal of 2002011001 is 1001102002.

It is a cyclic number.

It is not a de Polignac number, because 2002011001 - 2³ = 2002010993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002011007) 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 15 ways as a sum of consecutive naturals, for example, 457315 + ... + 461671.

It is an arithmetic number, because the mean of its divisors is an integer number (134139240).

Almost surely, 2^2002011001 is an apocalyptic number.

It is an amenable number.

2002011001 is a deficient number, since it is larger than the sum of its proper divisors (144216839).

2002011001 is a wasteful number, since it uses less digits than its factorization.

2002011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2002011001 is about 44743.8375756930. The cubic root of 2002011001 is about 1260.3431921869.

Adding to 2002011001 its reverse (1001102002), we get a palindrome (3003113003).

The spelling of 2002011001 in words is "two billion, two million, eleven thousand, one".