12101023110203 has 4 divisors (see below), whose sum is σ = 12101030446248. Its totient is φ = 12101015774160.

The previous prime is 12101023110191. The next prime is 12101023110251. The reversal of 12101023110203 is 30201132010121.

12101023110203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 12101023110203 - 2¹⁸ = 12101022848059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101023119203) 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, 89000 + ... + 4920362.

It is an arithmetic number, because the mean of its divisors is an integer number (3025257611562).

Almost surely, 2^{12101023110203} is an apocalyptic number.

12101023110203 is a deficient number, since it is larger than the sum of its proper divisors (7336045).

12101023110203 is an equidigital number, since it uses as much as digits as its factorization.

12101023110203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336044.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12101023110203 its reverse (30201132010121), we get a palindrome (42302155120324).

The spelling of 12101023110203 in words is "twelve trillion, one hundred one billion, twenty-three million, one hundred ten thousand, two hundred three".