12113111001 has 16 divisors (see below), whose sum is σ = 16523897600. Its totient is φ = 7890974208.

The previous prime is 12113110943. The next prime is 12113111009. The reversal of 12113111001 is 10011131121.

It is not a de Polignac number, because 12113111001 - 2¹⁷ = 12112979929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12113111009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240466 + ... + 286443.

It is an arithmetic number, because the mean of its divisors is an integer number (1032743600).

Almost surely, 2^12113111001 is an apocalyptic number.

It is an amenable number.

12113111001 is a deficient number, since it is larger than the sum of its proper divisors (4410786599).

12113111001 is an equidigital number, since it uses as much as digits as its factorization.

12113111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527088.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 12113111001 its reverse (10011131121), we get a palindrome (22124242122).

The spelling of 12113111001 in words is "twelve billion, one hundred thirteen million, one hundred eleven thousand, one".