11101109 has 2 divisors, whose sum is σ = 11101110. Its totient is φ = 11101108.

The previous prime is 11101099. The next prime is 11101121. The reversal of 11101109 is 90110111.

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., 10923025 + 178084 = 3305^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101109 - 2⁴ = 11101093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101093 and 11101102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550554 + 5550555.

It is an arithmetic number, because the mean of its divisors is an integer number (5550555).

Almost surely, 2^11101109 is an apocalyptic number.

It is an amenable number.

11101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101109 is an equidigital number, since it uses as much as digits as its factorization.

11101109 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 14.

The square root of 11101109 is about 3331.8326788721. The cubic root of 11101109 is about 223.0773391651.

The spelling of 11101109 in words is "eleven million, one hundred one thousand, one hundred nine".