11101001101109 has 2 divisors, whose sum is σ = 11101001101110. Its totient is φ = 11101001101108.

The previous prime is 11101001101081. The next prime is 11101001101163. The reversal of 11101001101109 is 90110110010111.

11101001101109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11043857632900 + 57143468209 = 3323230^2 + 239047^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101001101109 - 2⁸ = 11101001100853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101001101189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550500550554 + 5550500550555.

It is an arithmetic number, because the mean of its divisors is an integer number (5550500550555).

Almost surely, 2^{11101001101109} is an apocalyptic number.

It is an amenable number.

11101001101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101001101109 is an equidigital number, since it uses as much as digits as its factorization.

11101001101109 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 17.

The spelling of 11101001101109 in words is "eleven trillion, one hundred one billion, one million, one hundred one thousand, one hundred nine".