111103073 has 2 divisors, whose sum is σ = 111103074. Its totient is φ = 111103072.

The previous prime is 111103033. The next prime is 111103079. The reversal of 111103073 is 370301111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64754209 + 46348864 = 8047^2 + 6808^2 .

It is a cyclic number.

It is not a de Polignac number, because 111103073 - 2²⁴ = 94325857 is a prime.

It is a super-3 number, since 3×111103073³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (111103079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55551536 + 55551537.

It is an arithmetic number, because the mean of its divisors is an integer number (55551537).

Almost surely, 2^111103073 is an apocalyptic number.

It is an amenable number.

111103073 is a deficient number, since it is larger than the sum of its proper divisors (1).

111103073 is an equidigital number, since it uses as much as digits as its factorization.

111103073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 111103073 is about 10540.5442459106. The cubic root of 111103073 is about 480.7382635273.

Adding to 111103073 its reverse (370301111), we get a palindrome (481404184).

The spelling of 111103073 in words is "one hundred eleven million, one hundred three thousand, seventy-three".