111122123222233 has 2 divisors, whose sum is σ = 111122123222234. Its totient is φ = 111122123222232.

The previous prime is 111122123222221. The next prime is 111122123222351. The reversal of 111122123222233 is 332222321221111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83369372046489 + 27752751175744 = 9130683^2 + 5268088^2 .

It is an emirp because it is prime and its reverse (332222321221111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111122123222233 is a prime.

It is a super-3 number, since 3×111122123222233³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (111122123222533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561061611116 + 55561061611117.

It is an arithmetic number, because the mean of its divisors is an integer number (55561061611117).

Almost surely, 2^{111122123222233} is an apocalyptic number.

It is an amenable number.

111122123222233 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122123222233 is an equidigital number, since it uses as much as digits as its factorization.

111122123222233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

Adding to 111122123222233 its reverse (332222321221111), we get a palindrome (443344444443344).

The spelling of 111122123222233 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-three million, two hundred twenty-two thousand, two hundred thirty-three".