111001011000109 has 2 divisors, whose sum is σ = 111001011000110. Its totient is φ = 111001011000108.

The previous prime is 111001011000013. The next prime is 111001011000157. The reversal of 111001011000109 is 901000110100111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108954975422500 + 2046035577609 = 10438150^2 + 1430397^2 .

It is a cyclic number.

It is not a de Polignac number, because 111001011000109 - 2¹⁷ = 111001010869037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111001011000092 and 111001011000101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111001011900109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500505500054 + 55500505500055.

It is an arithmetic number, because the mean of its divisors is an integer number (55500505500055).

Almost surely, 2^{111001011000109} is an apocalyptic number.

It is an amenable number.

111001011000109 is a deficient number, since it is larger than the sum of its proper divisors (1).

111001011000109 is an equidigital number, since it uses as much as digits as its factorization.

111001011000109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 111001011000109 in words is "one hundred eleven trillion, one billion, eleven million, one hundred nine", and thus it is an aban number.