111120223133 has 2 divisors, whose sum is σ = 111120223134. Its totient is φ = 111120223132.

The previous prime is 111120223079. The next prime is 111120223141. The reversal of 111120223133 is 331322021111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70486533049 + 40633690084 = 265493^2 + 201578^2 .

It is a cyclic number.

It is not a de Polignac number, because 111120223133 - 2⁶ = 111120223069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111120223153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560111566 + 55560111567.

It is an arithmetic number, because the mean of its divisors is an integer number (55560111567).

Almost surely, 2^111120223133 is an apocalyptic number.

It is an amenable number.

111120223133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120223133 is an equidigital number, since it uses as much as digits as its factorization.

111120223133 is an evil number, because the sum of its binary digits is even.

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

Adding to 111120223133 its reverse (331322021111), we get a palindrome (442442244244).

The spelling of 111120223133 in words is "one hundred eleven billion, one hundred twenty million, two hundred twenty-three thousand, one hundred thirty-three".