111231032103 has 12 divisors (see below), whose sum is σ = 161277951120. Its totient is φ = 73872065376.

The previous prime is 111231032089. The next prime is 111231032117. The reversal of 111231032103 is 301230132111.

111231032103 is a `hidden beast` number, since 111 + 231 + 0 + 321 + 0 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (111231032089) and next prime (111231032117).

It is not a de Polignac number, because 111231032103 - 2¹⁴ = 111231015719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111231032603) 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, 23493838 + ... + 23498571.

It is an arithmetic number, because the mean of its divisors is an integer number (13439829260).

Almost surely, 2^111231032103 is an apocalyptic number.

111231032103 is a deficient number, since it is larger than the sum of its proper divisors (50046919017).

111231032103 is a wasteful number, since it uses less digits than its factorization.

111231032103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46992678 (or 46992675 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111231032103 its reverse (301230132111), we get a palindrome (412461164214).

The spelling of 111231032103 in words is "one hundred eleven billion, two hundred thirty-one million, thirty-two thousand, one hundred three".