12103112211 has 16 divisors (see below), whose sum is σ = 16286350080. Its totient is φ = 7994584800.

The previous prime is 12103112201. The next prime is 12103112221. The reversal of 12103112211 is 11221130121.

12103112211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12103112201) and next prime (12103112221).

It is not a de Polignac number, because 12103112211 - 2⁵ = 12103112179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12103112201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141876 + ... + 210558.

It is an arithmetic number, because the mean of its divisors is an integer number (1017896880).

Almost surely, 2^12103112211 is an apocalyptic number.

12103112211 is a deficient number, since it is larger than the sum of its proper divisors (4183237869).

12103112211 is a wasteful number, since it uses less digits than its factorization.

12103112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69226.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12103112211 its reverse (11221130121), we get a palindrome (23324242332).

The spelling of 12103112211 in words is "twelve billion, one hundred three million, one hundred twelve thousand, two hundred eleven".