12103010011 has 4 divisors (see below), whose sum is σ = 12109419000. Its totient is φ = 12096601024.

The previous prime is 12103010009. The next prime is 12103010033. The reversal of 12103010011 is 11001030121.

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 12103010011 - 2¹ = 12103010009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12103010011.

It is not an unprimeable number, because it can be changed into a prime (12103010081) 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, 3201661 + ... + 3205438.

It is an arithmetic number, because the mean of its divisors is an integer number (3027354750).

Almost surely, 2^12103010011 is an apocalyptic number.

12103010011 is a deficient number, since it is larger than the sum of its proper divisors (6408989).

12103010011 is an equidigital number, since it uses as much as digits as its factorization.

12103010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408988.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 12103010011 its reverse (11001030121), we get a palindrome (23104040132).

The spelling of 12103010011 in words is "twelve billion, one hundred three million, ten thousand, eleven".