2001340011 has 32 divisors (see below), whose sum is σ = 3157491456. Its totient is φ = 1113728000.

The previous prime is 2001340007. The next prime is 2001340021. The reversal of 2001340011 is 1100431002.

It is a happy number.

It is not a de Polignac number, because 2001340011 - 2² = 2001340007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2001340021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20505 + ... + 66506.

It is an arithmetic number, because the mean of its divisors is an integer number (98671608).

Almost surely, 2^2001340011 is an apocalyptic number.

2001340011 is a deficient number, since it is larger than the sum of its proper divisors (1156151445).

2001340011 is a wasteful number, since it uses less digits than its factorization.

2001340011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87083.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2001340011 is about 44736.3388198006. The cubic root of 2001340011 is about 1260.2023717528.

Adding to 2001340011 its reverse (1100431002), we get a palindrome (3101771013).

Subtracting from 2001340011 its reverse (1100431002), we obtain a palindrome (900909009).

The spelling of 2001340011 in words is "two billion, one million, three hundred forty thousand, eleven".