12011113103 has 8 divisors (see below), whose sum is σ = 13250258640. Its totient is φ = 10796505280.

The previous prime is 12011113067. The next prime is 12011113109. The reversal of 12011113103 is 30131111021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011113103 - 2⁶ = 12011113039 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 (12011113109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6133400 + ... + 6135357.

It is an arithmetic number, because the mean of its divisors is an integer number (1656282330).

Almost surely, 2^12011113103 is an apocalyptic number.

12011113103 is a deficient number, since it is larger than the sum of its proper divisors (1239145537).

12011113103 is a wasteful number, since it uses less digits than its factorization.

12011113103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268857.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 12011113103 its reverse (30131111021), we get a palindrome (42142224124).

The spelling of 12011113103 in words is "twelve billion, eleven million, one hundred thirteen thousand, one hundred three".