111111222233 has 12 divisors (see below), whose sum is σ = 128761797552. Its totient is φ = 95068422720.

The previous prime is 111111222223. The next prime is 111111222247. The reversal of 111111222233 is 332222111111.

It is not a de Polignac number, because 111111222233 - 2¹⁶ = 111111156697 is a prime.

It is a super-2 number, since 2×111111222233² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (111111222223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17472635 + ... + 17478992.

It is an arithmetic number, because the mean of its divisors is an integer number (10730149796).

Almost surely, 2^111111222233 is an apocalyptic number.

It is an amenable number.

111111222233 is a deficient number, since it is larger than the sum of its proper divisors (17650575319).

111111222233 is a wasteful number, since it uses less digits than its factorization.

111111222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34951672 (or 34951655 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

Adding to 111111222233 its reverse (332222111111), we get a palindrome (443333333344).

The spelling of 111111222233 in words is "one hundred eleven billion, one hundred eleven million, two hundred twenty-two thousand, two hundred thirty-three".