112003221123 has 16 divisors (see below), whose sum is σ = 171283302400. Its totient is φ = 72260142120.

The previous prime is 112003221103. The next prime is 112003221137. The reversal of 112003221123 is 321122300211.

It is not a de Polignac number, because 112003221123 - 2⁶ = 112003221059 is a prime.

It is a super-2 number, since 2×112003221123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112003221096 and 112003221105.

It is not an unprimeable number, because it can be changed into a prime (112003221103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66906703 + ... + 66908376.

It is an arithmetic number, because the mean of its divisors is an integer number (10705206400).

Almost surely, 2^112003221123 is an apocalyptic number.

112003221123 is a deficient number, since it is larger than the sum of its proper divisors (59280081277).

112003221123 is a wasteful number, since it uses less digits than its factorization.

112003221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133815119 (or 133815113 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112003221123 its reverse (321122300211), we get a palindrome (433125521334).

It can be divided in two parts, 11200 and 3221123, that added together give a palindrome (3232323).

The spelling of 112003221123 in words is "one hundred twelve billion, three million, two hundred twenty-one thousand, one hundred twenty-three".