11112239 has 2 divisors, whose sum is σ = 11112240. Its totient is φ = 11112238.

The previous prime is 11112217. The next prime is 11112251. The reversal of 11112239 is 93221111.

It is a strong prime.

It is an emirp because it is prime and its reverse (93221111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11112239 - 2⁸ = 11111983 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11112239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556119 + 5556120.

It is an arithmetic number, because the mean of its divisors is an integer number (5556120).

Almost surely, 2^11112239 is an apocalyptic number.

11112239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112239 is an equidigital number, since it uses as much as digits as its factorization.

11112239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 20.

The square root of 11112239 is about 3333.5025123734. The cubic root of 11112239 is about 223.1518668985.

The spelling of 11112239 in words is "eleven million, one hundred twelve thousand, two hundred thirty-nine".