111922243 has 2 divisors, whose sum is σ = 111922244. Its totient is φ = 111922242.

The previous prime is 111922229. The next prime is 111922247. The reversal of 111922243 is 342229111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111922243 - 2⁵ = 111922211 is a prime.

It is not a weakly prime, because it can be changed into another prime (111922247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55961121 + 55961122.

It is an arithmetic number, because the mean of its divisors is an integer number (55961122).

Almost surely, 2^111922243 is an apocalyptic number.

111922243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111922243 is an equidigital number, since it uses as much as digits as its factorization.

111922243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 111922243 is about 10579.3309334759. The cubic root of 111922243 is about 481.9168761576.

The spelling of 111922243 in words is "one hundred eleven million, nine hundred twenty-two thousand, two hundred forty-three".