110203120123 has 16 divisors (see below), whose sum is σ = 116473726720. Its totient is φ = 103979902176.

The previous prime is 110203120117. The next prime is 110203120133. The reversal of 110203120123 is 321021302011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110203120123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110203120097 and 110203120106.

It is not an unprimeable number, because it can be changed into a prime (110203120133) 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, 20244040 + ... + 20249482.

It is an arithmetic number, because the mean of its divisors is an integer number (7279607920).

Almost surely, 2^110203120123 is an apocalyptic number.

110203120123 is a deficient number, since it is larger than the sum of its proper divisors (6270606597).

110203120123 is a wasteful number, since it uses less digits than its factorization.

110203120123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9586.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 110203120123 its reverse (321021302011), we get a palindrome (431224422134).

The spelling of 110203120123 in words is "one hundred ten billion, two hundred three million, one hundred twenty thousand, one hundred twenty-three".