111112001233 has 2 divisors, whose sum is σ = 111112001234. Its totient is φ = 111112001232.

The previous prime is 111112001191. The next prime is 111112001249. The reversal of 111112001233 is 332100211111.

It is a happy number.

It is an a-pointer prime, because the next prime (111112001249) can be obtained adding 111112001233 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80328596929 + 30783404304 = 283423^2 + 175452^2 .

It is a cyclic number.

It is not a de Polignac number, because 111112001233 - 2⁹ = 111112000721 is a prime.

It is not a weakly prime, because it can be changed into another prime (111112011233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55556000616 + 55556000617.

It is an arithmetic number, because the mean of its divisors is an integer number (55556000617).

Almost surely, 2^111112001233 is an apocalyptic number.

It is an amenable number.

111112001233 is a deficient number, since it is larger than the sum of its proper divisors (1).

111112001233 is an equidigital number, since it uses as much as digits as its factorization.

111112001233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111112001233 its reverse (332100211111), we get a palindrome (443212212344).

The spelling of 111112001233 in words is "one hundred eleven billion, one hundred twelve million, one thousand, two hundred thirty-three".