111100001110123 has 2 divisors, whose sum is σ = 111100001110124. Its totient is φ = 111100001110122.

The previous prime is 111100001110039. The next prime is 111100001110127. The reversal of 111100001110123 is 321011100001111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111100001110123 - 2³⁷ = 110962562156651 is a prime.

It is a super-3 number, since 3×111100001110123³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111100001110127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550000555061 + 55550000555062.

It is an arithmetic number, because the mean of its divisors is an integer number (55550000555062).

Almost surely, 2^{111100001110123} is an apocalyptic number.

111100001110123 is a deficient number, since it is larger than the sum of its proper divisors (1).

111100001110123 is an equidigital number, since it uses as much as digits as its factorization.

111100001110123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 111100001110123 its reverse (321011100001111), we get a palindrome (432111101111234).

The spelling of 111100001110123 in words is "one hundred eleven trillion, one hundred billion, one million, one hundred ten thousand, one hundred twenty-three".