1111101010109 has 2 divisors, whose sum is σ = 1111101010110. Its totient is φ = 1111101010108.

The previous prime is 1111101010069. The next prime is 1111101010111. The reversal of 1111101010109 is 9010101011111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612897962884 + 498203047225 = 782878^2 + 705835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111101010109 is a prime.

Together with 1111101010111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111101010009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555550505054 + 555550505055.

It is an arithmetic number, because the mean of its divisors is an integer number (555550505055).

Almost surely, 2^{1111101010109} is an apocalyptic number.

It is an amenable number.

1111101010109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111101010109 is an equidigital number, since it uses as much as digits as its factorization.

1111101010109 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 17.

The spelling of 1111101010109 in words is "one trillion, one hundred eleven billion, one hundred one million, ten thousand, one hundred nine".