2111303301109 has 2 divisors, whose sum is σ = 2111303301110. Its totient is φ = 2111303301108.

The previous prime is 2111303301101. The next prime is 2111303301221. The reversal of 2111303301109 is 9011033031112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1446059160484 + 665244140625 = 1202522^2 + 815625^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111303301109 - 2³ = 2111303301101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111303301101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055651650554 + 1055651650555.

It is an arithmetic number, because the mean of its divisors is an integer number (1055651650555).

Almost surely, 2^{2111303301109} is an apocalyptic number.

It is an amenable number.

2111303301109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111303301109 is an equidigital number, since it uses as much as digits as its factorization.

2111303301109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 25.

The spelling of 2111303301109 in words is "two trillion, one hundred eleven billion, three hundred three million, three hundred one thousand, one hundred nine".