111123221133 has 8 divisors (see below), whose sum is σ = 148176206496. Its totient is φ = 74076191600.

The previous prime is 111123221123. The next prime is 111123221149. The reversal of 111123221133 is 331122321111.

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 111123221133 - 2⁴ = 111123221117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111123221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1445238 + ... + 1520183.

It is an arithmetic number, because the mean of its divisors is an integer number (18522025812).

Almost surely, 2^111123221133 is an apocalyptic number.

It is an amenable number.

111123221133 is a deficient number, since it is larger than the sum of its proper divisors (37052985363).

111123221133 is a wasteful number, since it uses less digits than its factorization.

111123221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977915.

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

Adding to 111123221133 its reverse (331122321111), we get a palindrome (442245542244).

The spelling of 111123221133 in words is "one hundred eleven billion, one hundred twenty-three million, two hundred twenty-one thousand, one hundred thirty-three".