111223020033 has 6 divisors (see below), whose sum is σ = 160655473394. Its totient is φ = 74148680016.

The previous prime is 111223019993. The next prime is 111223020049. The reversal of 111223020033 is 330020322111.

It can be written as a sum of positive squares in only one way, i.e., 108630886464 + 2592133569 = 329592^2 + 50913^2 .

It is not a de Polignac number, because 111223020033 - 2¹³ = 111223011841 is a prime.

It is a super-2 number, since 2×111223020033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111223019988 and 111223020015.

It is not an unprimeable number, because it can be changed into a prime (111223022033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6179056660 + ... + 6179056677.

Almost surely, 2^111223020033 is an apocalyptic number.

It is an amenable number.

111223020033 is a deficient number, since it is larger than the sum of its proper divisors (49432453361).

111223020033 is a wasteful number, since it uses less digits than its factorization.

111223020033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12358113343 (or 12358113340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 111223020033 its reverse (330020322111), we get a palindrome (441243342144).

The spelling of 111223020033 in words is "one hundred eleven billion, two hundred twenty-three million, twenty thousand, thirty-three".