2099111 has 6 divisors (see below), whose sum is σ = 2441880. Its totient is φ = 1799196.

The previous prime is 2099093. The next prime is 2099129. The reversal of 2099111 is 1119902.

It is an interprime number because it is at equal distance from previous prime (2099093) and next prime (2099129).

It is not a de Polignac number, because 2099111 - 2¹⁴ = 2082727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21371 + ... + 21468.

It is an arithmetic number, because the mean of its divisors is an integer number (406980).

2^2099111 is an apocalyptic number.

2099111 is a deficient number, since it is larger than the sum of its proper divisors (342769).

2099111 is an equidigital number, since it uses as much as digits as its factorization.

2099111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42853 (or 42846 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 2099111 is about 1448.8309080082. The cubic root of 2099111 is about 128.0398435533.

The spelling of 2099111 in words is "two million, ninety-nine thousand, one hundred eleven".