11113110221 has 4 divisors (see below), whose sum is σ = 11113872000. Its totient is φ = 11112348444.

The previous prime is 11113110179. The next prime is 11113110257. The reversal of 11113110221 is 12201131111.

11113110221 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 a cyclic number.

It is not a de Polignac number, because 11113110221 - 2⁶ = 11113110157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11113110196 and 11113110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113110121) 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, 358571 + ... + 388328.

It is an arithmetic number, because the mean of its divisors is an integer number (2778468000).

Almost surely, 2^11113110221 is an apocalyptic number.

It is an amenable number.

11113110221 is a deficient number, since it is larger than the sum of its proper divisors (761779).

11113110221 is an equidigital number, since it uses as much as digits as its factorization.

11113110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761778.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11113110221 its reverse (12201131111), we get a palindrome (23314241332).

The spelling of 11113110221 in words is "eleven billion, one hundred thirteen million, one hundred ten thousand, two hundred twenty-one".