1110112009 has 2 divisors, whose sum is σ = 1110112010. Its totient is φ = 1110112008.

The previous prime is 1110111991. The next prime is 1110112013. The reversal of 1110112009 is 9002110111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109889225 + 222784 = 33315^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110112009 - 2⁷ = 1110111881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110111983 and 1110112001.

It is not a weakly prime, because it can be changed into another prime (1110112049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555056004 + 555056005.

It is an arithmetic number, because the mean of its divisors is an integer number (555056005).

Almost surely, 2^1110112009 is an apocalyptic number.

It is an amenable number.

1110112009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110112009 is an equidigital number, since it uses as much as digits as its factorization.

1110112009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 1110112009 is about 33318.3434312092. The cubic root of 1110112009 is about 1035.4336312995.

The spelling of 1110112009 in words is "one billion, one hundred ten million, one hundred twelve thousand, nine".