2111105 has 8 divisors (see below), whose sum is σ = 2564352. Its totient is φ = 1668208.

The previous prime is 2111093. The next prime is 2111107. The reversal of 2111105 is 5011112.

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 2111105 - 2⁴ = 2111089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2129 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (320544).

2^2111105 is an apocalyptic number.

It is an amenable number.

2111105 is a deficient number, since it is larger than the sum of its proper divisors (453247).

2111105 is an equidigital number, since it uses as much as digits as its factorization.

2111105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 2111105 is about 1452.9642115345. The cubic root of 2111105 is about 128.2832472602.

Adding to 2111105 its reverse (5011112), we get a palindrome (7122217).

The spelling of 2111105 in words is "two million, one hundred eleven thousand, one hundred five".