Adding to 12301001110103 its reverse (30101110010321), we get a palindrome (42402111120424).
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a congruent number.
Almost surely, 212301001110103 is an apocalyptic number.
12301001110103 is an equidigital number, since it uses as much as digits as its factorization.
12301001110103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 153190224.
The spelling of 12301001110103 in words is "twelve trillion, three hundred one billion, one million, one hundred ten thousand, one hundred three".