111036109 has 2 divisors, whose sum is σ = 111036110. Its totient is φ = 111036108.

The previous prime is 111036103. The next prime is 111036143. The reversal of 111036109 is 901630111.

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., 108618084 + 2418025 = 10422^2 + 1555^2 .

It is a cyclic number.

It is not a de Polignac number, because 111036109 - 2⁹ = 111035597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111036109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111036103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55518054 + 55518055.

It is an arithmetic number, because the mean of its divisors is an integer number (55518055).

Almost surely, 2^111036109 is an apocalyptic number.

It is an amenable number.

111036109 is a deficient number, since it is larger than the sum of its proper divisors (1).

111036109 is an equidigital number, since it uses as much as digits as its factorization.

111036109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 111036109 is about 10537.3672708130. The cubic root of 111036109 is about 480.6416606582.

The spelling of 111036109 in words is "one hundred eleven million, thirty-six thousand, one hundred nine".