11133421113 has 4 divisors (see below), whose sum is σ = 14844561488. Its totient is φ = 7422280740.

The previous prime is 11133421109. The next prime is 11133421121. The reversal of 11133421113 is 31112433111.

11133421113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11133421113 - 2² = 11133421109 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 11133421113.

It is not an unprimeable number, because it can be changed into a prime (11133421613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855570183 + ... + 1855570188.

It is an arithmetic number, because the mean of its divisors is an integer number (3711140372).

Almost surely, 2^11133421113 is an apocalyptic number.

It is an amenable number.

11133421113 is a deficient number, since it is larger than the sum of its proper divisors (3711140375).

11133421113 is an equidigital number, since it uses as much as digits as its factorization.

11133421113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711140374.

The product of its digits is 216, while the sum is 21.

Adding to 11133421113 its reverse (31112433111), we get a palindrome (42245854224).

The spelling of 11133421113 in words is "eleven billion, one hundred thirty-three million, four hundred twenty-one thousand, one hundred thirteen".