2001010011 has 48 divisors (see below), whose sum is σ = 3646234368. Its totient is φ = 959515200.

The previous prime is 2001010009. The next prime is 2001010049. The reversal of 2001010011 is 1100101002.

It is not a de Polignac number, because 2001010011 - 2¹ = 2001010009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001010001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26575 + ... + 68616.

It is an arithmetic number, because the mean of its divisors is an integer number (75963216).

Almost surely, 2^2001010011 is an apocalyptic number.

2001010011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2001010011 is a deficient number, since it is larger than the sum of its proper divisors (1645224357).

2001010011 is a wasteful number, since it uses less digits than its factorization.

2001010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95232 (or 95225 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 2001010011 is about 44732.6503909616. The cubic root of 2001010011 is about 1260.1331032228.

Adding to 2001010011 its reverse (1100101002), we get a palindrome (3101111013).

Subtracting from 2001010011 its reverse (1100101002), we obtain a palindrome (900909009).

It can be divided in two parts, 200101001 and 1, that added together give a palindrome (200101002).

The spelling of 2001010011 in words is "two billion, one million, ten thousand, eleven".