13112302111 has 4 divisors (see below), whose sum is σ = 13118150232. Its totient is φ = 13106453992.

The previous prime is 13112302087. The next prime is 13112302117. The reversal of 13112302111 is 11120321131.

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 13112302111 - 2¹¹ = 13112300063 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 (13112302117) 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 3 ways as a sum of consecutive naturals, for example, 2920696 + ... + 2925181.

It is an arithmetic number, because the mean of its divisors is an integer number (3279537558).

Almost surely, 2^13112302111 is an apocalyptic number.

13112302111 is a deficient number, since it is larger than the sum of its proper divisors (5848121).

13112302111 is an equidigital number, since it uses as much as digits as its factorization.

13112302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848120.

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

Adding to 13112302111 its reverse (11120321131), we get a palindrome (24232623242).

The spelling of 13112302111 in words is "thirteen billion, one hundred twelve million, three hundred two thousand, one hundred eleven".