111120133 has 2 divisors, whose sum is σ = 111120134. Its totient is φ = 111120132.

The previous prime is 111120091. The next prime is 111120137. The reversal of 111120133 is 331021111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62441604 + 48678529 = 7902^2 + 6977^2 .

It is an emirp because it is prime and its reverse (331021111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111120133 - 2¹³ = 111111941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111120137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55560066 + 55560067.

It is an arithmetic number, because the mean of its divisors is an integer number (55560067).

Almost surely, 2^111120133 is an apocalyptic number.

It is an amenable number.

111120133 is a deficient number, since it is larger than the sum of its proper divisors (1).

111120133 is an equidigital number, since it uses as much as digits as its factorization.

111120133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 111120133 is about 10541.3534709733. The cubic root of 111120133 is about 480.7628682324.

Adding to 111120133 its reverse (331021111), we get a palindrome (442141244).

The spelling of 111120133 in words is "one hundred eleven million, one hundred twenty thousand, one hundred thirty-three".