111134221 has 8 divisors (see below), whose sum is σ = 121421088. Its totient is φ = 100878000.

The previous prime is 111134209. The next prime is 111134237. The reversal of 111134221 is 122431111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111134221 - 2⁵ = 111134189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111134195 and 111134204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111134281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291 + ... + 14911.

It is an arithmetic number, because the mean of its divisors is an integer number (15177636).

Almost surely, 2^111134221 is an apocalyptic number.

111134221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111134221 is a deficient number, since it is larger than the sum of its proper divisors (10286867).

111134221 is a wasteful number, since it uses less digits than its factorization.

111134221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15323.

The product of its digits is 48, while the sum is 16.

The square root of 111134221 is about 10542.0216751817. The cubic root of 111134221 is about 480.7831846859.

Adding to 111134221 its reverse (122431111), we get a palindrome (233565332).

The spelling of 111134221 in words is "one hundred eleven million, one hundred thirty-four thousand, two hundred twenty-one".