111423042211 has 4 divisors (see below), whose sum is σ = 119994045472. Its totient is φ = 102852038952.

The previous prime is 111423042197. The next prime is 111423042337. The reversal of 111423042211 is 112240324111.

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

It is not a de Polignac number, because 111423042211 - 2²⁷ = 111288824483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111423042911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285501611 + ... + 4285501636.

It is an arithmetic number, because the mean of its divisors is an integer number (29998511368).

Almost surely, 2^111423042211 is an apocalyptic number.

111423042211 is a deficient number, since it is larger than the sum of its proper divisors (8571003261).

111423042211 is an equidigital number, since it uses as much as digits as its factorization.

111423042211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8571003260.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111423042211 its reverse (112240324111), we get a palindrome (223663366322).

The spelling of 111423042211 in words is "one hundred eleven billion, four hundred twenty-three million, forty-two thousand, two hundred eleven".