12011100231103 has 8 divisors (see below), whose sum is σ = 12117604028400. Its totient is φ = 11904941665920.

The previous prime is 12011100231089. The next prime is 12011100231107. The reversal of 12011100231103 is 30113200111021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12011100231103 - 2¹⁷ = 12011100100031 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 (12011100231107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86238138 + ... + 86377303.

It is an arithmetic number, because the mean of its divisors is an integer number (1514700503550).

Almost surely, 2^{12011100231103} is an apocalyptic number.

12011100231103 is a deficient number, since it is larger than the sum of its proper divisors (106503797297).

12011100231103 is a wasteful number, since it uses less digits than its factorization.

12011100231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172616057.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12011100231103 its reverse (30113200111021), we get a palindrome (42124300342124).

The spelling of 12011100231103 in words is "twelve trillion, eleven billion, one hundred million, two hundred thirty-one thousand, one hundred three".