12101113 has 4 divisors (see below), whose sum is σ = 12221028. Its totient is φ = 11981200.

The previous prime is 12101099. The next prime is 12101123. The reversal of 12101113 is 31110121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9566649 + 2534464 = 3093^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 12101113 - 2¹⁷ = 11970041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12101113.

It is not an unprimeable number, because it can be changed into a prime (12101123) 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, 59806 + ... + 60007.

It is an arithmetic number, because the mean of its divisors is an integer number (3055257).

Almost surely, 2^12101113 is an apocalyptic number.

It is an amenable number.

12101113 is a deficient number, since it is larger than the sum of its proper divisors (119915).

12101113 is a wasteful number, since it uses less digits than its factorization.

12101113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119914.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 12101113 is about 3478.6654050081. The cubic root of 12101113 is about 229.5840813485.

Adding to 12101113 its reverse (31110121), we get a palindrome (43211234).

The spelling of 12101113 in words is "twelve million, one hundred one thousand, one hundred thirteen".