111301130123 has 4 divisors (see below), whose sum is σ = 117159084360. Its totient is φ = 105443175888.

The previous prime is 111301130081. The next prime is 111301130131. The reversal of 111301130123 is 321031103111.

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

It is a cyclic number.

It is not a de Polignac number, because 111301130123 - 2¹⁰ = 111301129099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111301130323) 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, 2928977090 + ... + 2928977127.

It is an arithmetic number, because the mean of its divisors is an integer number (29289771090).

Almost surely, 2^111301130123 is an apocalyptic number.

111301130123 is a deficient number, since it is larger than the sum of its proper divisors (5857954237).

111301130123 is an equidigital number, since it uses as much as digits as its factorization.

111301130123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857954236.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 111301130123 its reverse (321031103111), we get a palindrome (432332233234).

The spelling of 111301130123 in words is "one hundred eleven billion, three hundred one million, one hundred thirty thousand, one hundred twenty-three".