2119111 has 4 divisors (see below), whose sum is σ = 2122072. Its totient is φ = 2116152.

The previous prime is 2119093. The next prime is 2119121. The reversal of 2119111 is 1119112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2119111 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 (2119121) 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, 340 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (530518).

2^2119111 is an apocalyptic number.

2119111 is a deficient number, since it is larger than the sum of its proper divisors (2961).

2119111 is a wasteful number, since it uses less digits than its factorization.

2119111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960.

The product of its digits is 18, while the sum is 16.

The square root of 2119111 is about 1455.7166619916. The cubic root of 2119111 is about 128.4452066955.

Subtracting from 2119111 its reverse (1119112), we obtain a palindrome (999999).

The spelling of 2119111 in words is "two million, one hundred nineteen thousand, one hundred eleven".