111222033213 has 24 divisors (see below), whose sum is σ = 155718789376. Its totient is φ = 70539739200.

The previous prime is 111222033193. The next prime is 111222033217. The reversal of 111222033213 is 312330222111.

It is not a de Polignac number, because 111222033213 - 2¹³ = 111222025021 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 111222033213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222033217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151953 + ... + 495513.

Almost surely, 2^111222033213 is an apocalyptic number.

It is an amenable number.

111222033213 is a deficient number, since it is larger than the sum of its proper divisors (44496756163).

111222033213 is an equidigital number, since it uses as much as digits as its factorization.

111222033213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343713 (or 343654 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111222033213 its reverse (312330222111), we get a palindrome (423552255324).

The spelling of 111222033213 in words is "one hundred eleven billion, two hundred twenty-two million, thirty-three thousand, two hundred thirteen".