111001131300123 has 12 divisors (see below), whose sum is σ = 164668344932208. Its totient is φ = 72000733816080.

The previous prime is 111001131300067. The next prime is 111001131300139. The reversal of 111001131300123 is 321003131100111.

111001131300123 is a `hidden beast` number, since 1 + 110 + 0 + 1 + 131 + 300 + 123 = 666.

It is not a de Polignac number, because 111001131300123 - 2²⁵ = 111001097745691 is a prime.

It is a super-2 number, since 2×111001131300123² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111001131300096 and 111001131300105.

It is not an unprimeable number, because it can be changed into a prime (111001131300193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166668364983 + ... + 166668365648.

It is an arithmetic number, because the mean of its divisors is an integer number (13722362077684).

Almost surely, 2^{111001131300123} is an apocalyptic number.

111001131300123 is a deficient number, since it is larger than the sum of its proper divisors (53667213632085).

111001131300123 is a wasteful number, since it uses less digits than its factorization.

111001131300123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333336730674 (or 333336730671 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111001131300123 its reverse (321003131100111), we get a palindrome (432004262400234).

The spelling of 111001131300123 in words is "one hundred eleven trillion, one billion, one hundred thirty-one million, three hundred thousand, one hundred twenty-three".