2011166101 has 8 divisors (see below), whose sum is σ = 2300531264. Its totient is φ = 1722314880.

The previous prime is 2011166089. The next prime is 2011166159. The reversal of 2011166101 is 1016611102.

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 2011166101 - 2¹¹ = 2011164053 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 (2011116101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120060 + ... + 135781.

It is an arithmetic number, because the mean of its divisors is an integer number (287566408).

Almost surely, 2^2011166101 is an apocalyptic number.

It is an amenable number.

2011166101 is a deficient number, since it is larger than the sum of its proper divisors (289365163).

2011166101 is a wasteful number, since it uses less digits than its factorization.

2011166101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256971.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 2011166101 is about 44846.0265909924. The cubic root of 2011166101 is about 1262.2614340718.

Adding to 2011166101 its reverse (1016611102), we get a palindrome (3027777203).

The spelling of 2011166101 in words is "two billion, eleven million, one hundred sixty-six thousand, one hundred one".