111321012233 has 2 divisors, whose sum is σ = 111321012234. Its totient is φ = 111321012232.

The previous prime is 111321012227. The next prime is 111321012269. The reversal of 111321012233 is 332210123111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65008681024 + 46312331209 = 254968^2 + 215203^2 .

It is a cyclic number.

It is not a de Polignac number, because 111321012233 - 2¹⁶ = 111320946697 is a prime.

It is a super-3 number, since 3×111321012233³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111321012533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660506116 + 55660506117.

It is an arithmetic number, because the mean of its divisors is an integer number (55660506117).

Almost surely, 2^111321012233 is an apocalyptic number.

It is an amenable number.

111321012233 is a deficient number, since it is larger than the sum of its proper divisors (1).

111321012233 is an equidigital number, since it uses as much as digits as its factorization.

111321012233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111321012233 its reverse (332210123111), we get a palindrome (443531135344).

The spelling of 111321012233 in words is "one hundred eleven billion, three hundred twenty-one million, twelve thousand, two hundred thirty-three".