111120223111 has 8 divisors (see below), whose sum is σ = 111328061040. Its totient is φ = 110912495232.

The previous prime is 111120223079. The next prime is 111120223133. The reversal of 111120223111 is 111322021111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111120223111 - 2⁵ = 111120223079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111120223141) 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 7 ways as a sum of consecutive naturals, for example, 2153631 + ... + 2204623.

It is an arithmetic number, because the mean of its divisors is an integer number (13916007630).

Almost surely, 2^111120223111 is an apocalyptic number.

111120223111 is a deficient number, since it is larger than the sum of its proper divisors (207837929).

111120223111 is an equidigital number, since it uses as much as digits as its factorization.

111120223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55025.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 111120223111 its reverse (111322021111), we get a palindrome (222442244222).

The spelling of 111120223111 in words is "one hundred eleven billion, one hundred twenty million, two hundred twenty-three thousand, one hundred eleven".