12113013021103 has 4 divisors (see below), whose sum is σ = 12190165970440. Its totient is φ = 12035860071768.

The previous prime is 12113013021077. The next prime is 12113013021113. The reversal of 12113013021103 is 30112031031121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12113013021103 - 2²⁹ = 12112476150191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113013021113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38576474433 + ... + 38576474746.

It is an arithmetic number, because the mean of its divisors is an integer number (3047541492610).

Almost surely, 2^{12113013021103} is an apocalyptic number.

12113013021103 is a deficient number, since it is larger than the sum of its proper divisors (77152949337).

12113013021103 is an equidigital number, since it uses as much as digits as its factorization.

12113013021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77152949336.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12113013021103 its reverse (30112031031121), we get a palindrome (42225044052224).

The spelling of 12113013021103 in words is "twelve trillion, one hundred thirteen billion, thirteen million, twenty-one thousand, one hundred three".