101100111110909 has 2 divisors, whose sum is σ = 101100111110910. Its totient is φ = 101100111110908.

The previous prime is 101100111110881. The next prime is 101100111110923. The reversal of 101100111110909 is 909011111001101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97795841515684 + 3304269595225 = 9889178^2 + 1817765^2 .

It is an emirp because it is prime and its reverse (909011111001101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101100111110909 - 2³² = 101095816143613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101100111110209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550055555454 + 50550055555455.

It is an arithmetic number, because the mean of its divisors is an integer number (50550055555455).

Almost surely, 2^{101100111110909} is an apocalyptic number.

It is an amenable number.

101100111110909 is a deficient number, since it is larger than the sum of its proper divisors (1).

101100111110909 is an equidigital number, since it uses as much as digits as its factorization.

101100111110909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 26.

The spelling of 101100111110909 in words is "one hundred one trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, nine hundred nine".