1111101101109 has 6 divisors (see below), whose sum is σ = 1604923812726. Its totient is φ = 740734067400.

The previous prime is 1111101101053. The next prime is 1111101101153. The reversal of 1111101101109 is 9011011011111.

It can be written as a sum of positive squares in only one way, i.e., 829939220100 + 281161881009 = 911010^2 + 530247^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1111101101109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111101101091 and 1111101101100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111101101189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61727838942 + ... + 61727838959.

It is an arithmetic number, because the mean of its divisors is an integer number (267487302121).

Almost surely, 2^{1111101101109} is an apocalyptic number.

It is an amenable number.

1111101101109 is a deficient number, since it is larger than the sum of its proper divisors (493822711617).

1111101101109 is a wasteful number, since it uses less digits than its factorization.

1111101101109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123455677907 (or 123455677904 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 18.

The spelling of 1111101101109 in words is "one trillion, one hundred eleven billion, one hundred one million, one hundred one thousand, one hundred nine".