12113002111 has 4 divisors (see below), whose sum is σ = 13843430992. Its totient is φ = 10382573232.

The previous prime is 12113002091. The next prime is 12113002133. The reversal of 12113002111 is 11120031121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12113002111 - 2²⁹ = 11576131199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12113002091 and 12113002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113002171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865214430 + ... + 865214443.

It is an arithmetic number, because the mean of its divisors is an integer number (3460857748).

Almost surely, 2^12113002111 is an apocalyptic number.

12113002111 is a deficient number, since it is larger than the sum of its proper divisors (1730428881).

12113002111 is an equidigital number, since it uses as much as digits as its factorization.

12113002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730428880.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 12113002111 its reverse (11120031121), we get a palindrome (23233033232).

The spelling of 12113002111 in words is "twelve billion, one hundred thirteen million, two thousand, one hundred eleven".