112005111123 has 16 divisors (see below), whose sum is σ = 166951501440. Its totient is φ = 74211972552.

The previous prime is 112005111079. The next prime is 112005111157. The reversal of 112005111123 is 321111500211.

112005111123 is a `hidden beast` number, since 1 + 120 + 0 + 511 + 11 + 23 = 666.

It is not a de Polignac number, because 112005111123 - 2¹⁶ = 112005045587 is a prime.

It is a super-2 number, since 2×112005111123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112005111096 and 112005111105.

It is not an unprimeable number, because it can be changed into a prime (112005111173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12720561 + ... + 12729362.

It is an arithmetic number, because the mean of its divisors is an integer number (10434468840).

Almost surely, 2^112005111123 is an apocalyptic number.

112005111123 is a deficient number, since it is larger than the sum of its proper divisors (54946390317).

112005111123 is a wasteful number, since it uses less digits than its factorization.

112005111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25450095 (or 25450089 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 112005111123 its reverse (321111500211), we get a palindrome (433116611334).

The spelling of 112005111123 in words is "one hundred twelve billion, five million, one hundred eleven thousand, one hundred twenty-three".