2001020411 has 8 divisors (see below), whose sum is σ = 2281706784. Its totient is φ = 1738442880.

The previous prime is 2001020363. The next prime is 2001020419. The reversal of 2001020411 is 1140201002.

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 2001020411 - 2²² = 1996826107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001020392 and 2001020401.

It is not an unprimeable number, because it can be changed into a prime (2001020419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4526975 + ... + 4527416.

It is an arithmetic number, because the mean of its divisors is an integer number (285213348).

Almost surely, 2^2001020411 is an apocalyptic number.

2001020411 is a deficient number, since it is larger than the sum of its proper divisors (280686373).

2001020411 is a wasteful number, since it uses less digits than its factorization.

2001020411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054421.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2001020411 is about 44732.7666369966. The cubic root of 2001020411 is about 1260.1352863472.

Adding to 2001020411 its reverse (1140201002), we get a palindrome (3141221413).

The spelling of 2001020411 in words is "two billion, one million, twenty thousand, four hundred eleven".