2240111 has 2 divisors, whose sum is σ = 2240112. Its totient is φ = 2240110.

The previous prime is 2240101. The next prime is 2240113. The reversal of 2240111 is 1110422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2240111 is a prime.

Together with 2240113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2240092 and 2240101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2240113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120055 + 1120056.

It is an arithmetic number, because the mean of its divisors is an integer number (1120056).

2^2240111 is an apocalyptic number.

2240111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240111 is an equidigital number, since it uses as much as digits as its factorization.

2240111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2240111 is about 1496.7000367475. The cubic root of 2240111 is about 130.8448136121.

Adding to 2240111 its reverse (1110422), we get a palindrome (3350533).

The spelling of 2240111 in words is "two million, two hundred forty thousand, one hundred eleven".