111001325123 has 4 divisors (see below), whose sum is σ = 119539888608. Its totient is φ = 102462761640.

The previous prime is 111001325107. The next prime is 111001325131. The reversal of 111001325123 is 321523100111.

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 111001325123 - 2⁴ = 111001325107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001325095 and 111001325104.

It is not an unprimeable number, because it can be changed into a prime (111001325023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4269281723 + ... + 4269281748.

It is an arithmetic number, because the mean of its divisors is an integer number (29884972152).

Almost surely, 2^111001325123 is an apocalyptic number.

111001325123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111001325123 is a deficient number, since it is larger than the sum of its proper divisors (8538563485).

111001325123 is an equidigital number, since it uses as much as digits as its factorization.

111001325123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538563484.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 111001325123 its reverse (321523100111), we get a palindrome (432524425234).

The spelling of 111001325123 in words is "one hundred eleven billion, one million, three hundred twenty-five thousand, one hundred twenty-three".