111120231113 has 8 divisors (see below), whose sum is σ = 113349623880. Its totient is φ = 108903991680.

The previous prime is 111120231083. The next prime is 111120231143. The reversal of 111120231113 is 311132021111.

It is an interprime number because it is at equal distance from previous prime (111120231083) and next prime (111120231143).

It can be written as a sum of positive squares in 4 ways, for example, as 1842383929 + 109277847184 = 42923^2 + 330572^2 .

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 111120231113 - 2²² = 111116036809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111120231091 and 111120231100.

It is not an unprimeable number, because it can be changed into a prime (111120231143) 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, 3271268 + ... + 3305061.

It is an arithmetic number, because the mean of its divisors is an integer number (14168702985).

Almost surely, 2^111120231113 is an apocalyptic number.

It is an amenable number.

111120231113 is a deficient number, since it is larger than the sum of its proper divisors (2229392767).

111120231113 is an equidigital number, since it uses as much as digits as its factorization.

111120231113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6576667.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111120231113 its reverse (311132021111), we get a palindrome (422252252224).

The spelling of 111120231113 in words is "one hundred eleven billion, one hundred twenty million, two hundred thirty-one thousand, one hundred thirteen".