111223011133 has 4 divisors (see below), whose sum is σ = 119778627388. Its totient is φ = 102667394880.

The previous prime is 111223011131. The next prime is 111223011191. The reversal of 111223011133 is 331110322111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11845492569 + 99377518564 = 108837^2 + 315242^2 .

It is a cyclic number.

It is not a de Polignac number, because 111223011133 - 2¹ = 111223011131 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 111223011133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223011131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4277808108 + ... + 4277808133.

It is an arithmetic number, because the mean of its divisors is an integer number (29944656847).

Almost surely, 2^111223011133 is an apocalyptic number.

111223011133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111223011133 is a deficient number, since it is larger than the sum of its proper divisors (8555616255).

111223011133 is an equidigital number, since it uses as much as digits as its factorization.

111223011133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555616254.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111223011133 its reverse (331110322111), we get a palindrome (442333333244).

The spelling of 111223011133 in words is "one hundred eleven billion, two hundred twenty-three million, eleven thousand, one hundred thirty-three".