2111324111 has 4 divisors (see below), whose sum is σ = 2273733672. Its totient is φ = 1948914552.

The previous prime is 2111324101. The next prime is 2111324113. The reversal of 2111324111 is 1114231112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2111324111 - 2¹⁰ = 2111323087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2111324111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111324113) 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, 81204761 + ... + 81204786.

It is an arithmetic number, because the mean of its divisors is an integer number (568433418).

Almost surely, 2^2111324111 is an apocalyptic number.

2111324111 is a deficient number, since it is larger than the sum of its proper divisors (162409561).

2111324111 is a wasteful number, since it uses less digits than its factorization.

2111324111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162409560.

The product of its digits is 48, while the sum is 17.

The square root of 2111324111 is about 45949.1470105812. The cubic root of 2111324111 is about 1282.8768526754.

Adding to 2111324111 its reverse (1114231112), we get a palindrome (3225555223).

The spelling of 2111324111 in words is "two billion, one hundred eleven million, three hundred twenty-four thousand, one hundred eleven".