2001230111 has 8 divisors (see below), whose sum is σ = 2035131648. Its totient is φ = 1967364000.

The previous prime is 2001230093. The next prime is 2001230117. The reversal of 2001230111 is 1110321002.

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 2001230111 - 2¹⁴ = 2001213727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001230092 and 2001230101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001230117) 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 7 ways as a sum of consecutive naturals, for example, 121001 + ... + 136541.

It is an arithmetic number, because the mean of its divisors is an integer number (254391456).

Almost surely, 2^2001230111 is an apocalyptic number.

2001230111 is a deficient number, since it is larger than the sum of its proper divisors (33901537).

2001230111 is a wasteful number, since it uses less digits than its factorization.

2001230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2001230111 is about 44735.1104950016. The cubic root of 2001230111 is about 1260.1793040790.

Adding to 2001230111 its reverse (1110321002), we get a palindrome (3111551113).

The spelling of 2001230111 in words is "two billion, one million, two hundred thirty thousand, one hundred eleven".