2001130111 has 8 divisors (see below), whose sum is σ = 2099073024. Its totient is φ = 1904098680.

The previous prime is 2001130099. The next prime is 2001130121. The reversal of 2001130111 is 1110311002.

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 2001130111 - 2¹⁹ = 2000605823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001130121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223371 + ... + 232156.

It is an arithmetic number, because the mean of its divisors is an integer number (262384128).

Almost surely, 2^2001130111 is an apocalyptic number.

2001130111 is a deficient number, since it is larger than the sum of its proper divisors (97942913).

2001130111 is a wasteful number, since it uses less digits than its factorization.

2001130111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455741.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 2001130111 is about 44733.9927907179. The cubic root of 2001130111 is about 1260.1583136510.

Adding to 2001130111 its reverse (1110311002), we get a palindrome (3111441113).

It can be divided in two parts, 200 and 1130111, that added together give a palindrome (1130311).

The spelling of 2001130111 in words is "two billion, one million, one hundred thirty thousand, one hundred eleven".