111122111333 has 2 divisors, whose sum is σ = 111122111334. Its totient is φ = 111122111332.

The previous prime is 111122111293. The next prime is 111122111351. The reversal of 111122111333 is 333111221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71918903329 + 39203208004 = 268177^2 + 197998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111122111333 is a prime.

It is a super-3 number, since 3×111122111333³ (a number of 34 digits) contains 333 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111122111033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561055666 + 55561055667.

It is an arithmetic number, because the mean of its divisors is an integer number (55561055667).

Almost surely, 2^111122111333 is an apocalyptic number.

It is an amenable number.

111122111333 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122111333 is an equidigital number, since it uses as much as digits as its factorization.

111122111333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

Adding to 111122111333 its reverse (333111221111), we get a palindrome (444233332444).

The spelling of 111122111333 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, three hundred thirty-three".