100110103123 has 4 divisors (see below), whose sum is σ = 100110874240.
Its totient is φ = 100109332008.
The previous prime is 100110103111. The next prime is 100110103127. The reversal of 100110103123 is 321301011001.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-100110103123 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (100110103127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137715 + ... + 468172.
It is an arithmetic number, because the mean of its divisors is an integer number (25027718560).
Almost surely, 2100110103123 is an apocalyptic number.
100110103123 is a deficient number, since it is larger than the sum of its proper divisors (771117).
100110103123 is an equidigital number, since it uses as much as digits as its factorization.
100110103123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 771116.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 100110103123 its reverse (321301011001), we get a palindrome (421411114124).
The spelling of 100110103123 in words is "one hundred billion, one hundred ten million, one hundred three thousand, one hundred twenty-three".