111030113 has 2 divisors, whose sum is σ = 111030114. Its totient is φ = 111030112.

The previous prime is 111030103. The next prime is 111030133. The reversal of 111030113 is 311030111.

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., 110523169 + 506944 = 10513^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 111030113 - 2⁴ = 111030097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111030094 and 111030103.

It is not a weakly prime, because it can be changed into another prime (111030103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55515056 + 55515057.

It is an arithmetic number, because the mean of its divisors is an integer number (55515057).

Almost surely, 2^111030113 is an apocalyptic number.

It is an amenable number.

111030113 is a deficient number, since it is larger than the sum of its proper divisors (1).

111030113 is an equidigital number, since it uses as much as digits as its factorization.

111030113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 111030113 is about 10537.0827556777. The cubic root of 111030113 is about 480.6330088802.

Adding to 111030113 its reverse (311030111), we get a palindrome (422060224).

The spelling of 111030113 in words is "one hundred eleven million, thirty thousand, one hundred thirteen".