2111000001109 has 2 divisors, whose sum is σ = 2111000001110. Its totient is φ = 2111000001108.

The previous prime is 2111000001059. The next prime is 2111000001137. The reversal of 2111000001109 is 9011000001112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1965898431025 + 145101570084 = 1402105^2 + 380922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111000001109 - 2⁷ = 2111000000981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2111000001092 and 2111000001101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111000004109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055500000554 + 1055500000555.

It is an arithmetic number, because the mean of its divisors is an integer number (1055500000555).

Almost surely, 2^{2111000001109} is an apocalyptic number.

It is an amenable number.

2111000001109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111000001109 is an equidigital number, since it uses as much as digits as its factorization.

2111000001109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 2111000001109 in words is "two trillion, one hundred eleven billion, one thousand, one hundred nine".