2111149 has 8 divisors (see below), whose sum is σ = 2189592. Its totient is φ = 2034240.

The previous prime is 2111129. The next prime is 2111159. The reversal of 2111149 is 9411112.

It can be written as a sum of positive squares in 4 ways, for example, as 8649 + 2102500 = 93^2 + 1450^2 .

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 2111149 - 2⁹ = 2110637 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 (2111129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2907 + ... + 3559.

It is an arithmetic number, because the mean of its divisors is an integer number (273699).

2^2111149 is an apocalyptic number.

It is an amenable number.

2111149 is a deficient number, since it is larger than the sum of its proper divisors (78443).

2111149 is an equidigital number, since it uses as much as digits as its factorization.

2111149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

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

The square root of 2111149 is about 1452.9793529159. The cubic root of 2111149 is about 128.2841384876.

The spelling of 2111149 in words is "two million, one hundred eleven thousand, one hundred forty-nine".