2001132230011 has 32 divisors (see below), whose sum is σ = 2172978855936. Its totient is φ = 1839093984000.

The previous prime is 2001132230003. The next prime is 2001132230021. The reversal of 2001132230011 is 1100322311002.

It is a cyclic number.

It is not a de Polignac number, because 2001132230011 - 2³ = 2001132230003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001132230021) 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, 8438146 + ... + 8672056.

It is an arithmetic number, because the mean of its divisors is an integer number (67905589248).

Almost surely, 2^{2001132230011} is an apocalyptic number.

2001132230011 is a deficient number, since it is larger than the sum of its proper divisors (171846625925).

2001132230011 is a wasteful number, since it uses less digits than its factorization.

2001132230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234163.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2001132230011 its reverse (1100322311002), we get a palindrome (3101454541013).

The spelling of 2001132230011 in words is "two trillion, one billion, one hundred thirty-two million, two hundred thirty thousand, eleven".