111400066123 has 4 divisors (see below), whose sum is σ = 111537767880. Its totient is φ = 111262364368.

The previous prime is 111400066111. The next prime is 111400066157. The reversal of 111400066123 is 321660004111.

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 111400066123 - 2³³ = 102810131531 is a prime.

It is a super-2 number, since 2×111400066123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111400036123) 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 in 3 ways as a sum of consecutive naturals, for example, 68849665 + ... + 68851282.

It is an arithmetic number, because the mean of its divisors is an integer number (27884441970).

Almost surely, 2^111400066123 is an apocalyptic number.

111400066123 is a deficient number, since it is larger than the sum of its proper divisors (137701757).

111400066123 is an equidigital number, since it uses as much as digits as its factorization.

111400066123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137701756.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 111400066123 in words is "one hundred eleven billion, four hundred million, sixty-six thousand, one hundred twenty-three".