2099011 has 4 divisors (see below), whose sum is σ = 2106712. Its totient is φ = 2091312.

The previous prime is 2098981. The next prime is 2099017. The reversal of 2099011 is 1109902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1109902 = 2 ⋅554951.

It is a cyclic number.

It is not a de Polignac number, because 2099011 - 2⁷ = 2098883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2099017) 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 3 ways as a sum of consecutive naturals, for example, 3426 + ... + 3991.

It is an arithmetic number, because the mean of its divisors is an integer number (526678).

2^2099011 is an apocalyptic number.

2099011 is a deficient number, since it is larger than the sum of its proper divisors (7701).

2099011 is an equidigital number, since it uses as much as digits as its factorization.

2099011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7700.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 2099011 is about 1448.7963970137. The cubic root of 2099011 is about 128.0378102818.

It can be divided in two parts, 209901 and 1, that added together give a palindrome (209902).

The spelling of 2099011 in words is "two million, ninety-nine thousand, eleven".