1111122110233 has 2 divisors, whose sum is σ = 1111122110234. Its totient is φ = 1111122110232.

The previous prime is 1111122110183. The next prime is 1111122110237. The reversal of 1111122110233 is 3320112211111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900595306009 + 210526804224 = 948997^2 + 458832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111122110233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111122110233.

It is not a weakly prime, because it can be changed into another prime (1111122110237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555561055116 + 555561055117.

It is an arithmetic number, because the mean of its divisors is an integer number (555561055117).

Almost surely, 2^{1111122110233} is an apocalyptic number.

It is an amenable number.

1111122110233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111122110233 is an equidigital number, since it uses as much as digits as its factorization.

1111122110233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1111122110233 its reverse (3320112211111), we get a palindrome (4431234321344).

The spelling of 1111122110233 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred ten thousand, two hundred thirty-three".