111330073 has 2 divisors, whose sum is σ = 111330074. Its totient is φ = 111330072.

The previous prime is 111330071. The next prime is 111330119. The reversal of 111330073 is 370033111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104919049 + 6411024 = 10243^2 + 2532^2 .

It is a cyclic number.

It is not a de Polignac number, because 111330073 - 2¹ = 111330071 is a prime.

Together with 111330071, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111330073.

It is not a weakly prime, because it can be changed into another prime (111330071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665036 + 55665037.

It is an arithmetic number, because the mean of its divisors is an integer number (55665037).

Almost surely, 2^111330073 is an apocalyptic number.

It is an amenable number.

111330073 is a deficient number, since it is larger than the sum of its proper divisors (1).

111330073 is an equidigital number, since it uses as much as digits as its factorization.

111330073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 111330073 is about 10551.3066963291. The cubic root of 111330073 is about 481.0654472431.

Adding to 111330073 its reverse (370033111), we get a palindrome (481363184).

The spelling of 111330073 in words is "one hundred eleven million, three hundred thirty thousand, seventy-three".