2001101110111 has 4 divisors (see below), whose sum is σ = 2001229245400. Its totient is φ = 2000972974824.

The previous prime is 2001101110097. The next prime is 2001101110147. The reversal of 2001101110111 is 1110111011002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001101110111 - 2⁵ = 2001101110079 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 (2001101110511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64044216 + ... + 64075453.

It is an arithmetic number, because the mean of its divisors is an integer number (500307311350).

Almost surely, 2^{2001101110111} is an apocalyptic number.

2001101110111 is a deficient number, since it is larger than the sum of its proper divisors (128135289).

2001101110111 is a wasteful number, since it uses less digits than its factorization.

2001101110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128135288.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 2001101110111 its reverse (1110111011002), we get a palindrome (3111212121113).

The spelling of 2001101110111 in words is "two trillion, one billion, one hundred one million, one hundred ten thousand, one hundred eleven".