12103030131111 has 12 divisors (see below), whose sum is σ = 17491518425992. Its totient is φ = 8064365003856.

The previous prime is 12103030131061. The next prime is 12103030131217. The reversal of 12103030131111 is 11113103030121.

12103030131111 is a `hidden beast` number, since 1 + 2 + 10 + 30 + 301 + 311 + 11 = 666.

It is not a de Polignac number, because 12103030131111 - 2¹⁹ = 12103029606823 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 (12103030130111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 360128116 + ... + 360161721.

Almost surely, 2^{12103030131111} is an apocalyptic number.

12103030131111 is a deficient number, since it is larger than the sum of its proper divisors (5388488294881).

12103030131111 is a wasteful number, since it uses less digits than its factorization.

12103030131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720291710 (or 720291707 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 12103030131111 its reverse (11113103030121), we get a palindrome (23216133161232).

The spelling of 12103030131111 in words is "twelve trillion, one hundred three billion, thirty million, one hundred thirty-one thousand, one hundred eleven".