2110101109 has 2 divisors, whose sum is σ = 2110101110. Its totient is φ = 2110101108.

The previous prime is 2110101079. The next prime is 2110101131. The reversal of 2110101109 is 9011010112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1460004100 + 650097009 = 38210^2 + 25497^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110101109 - 2²¹ = 2108003957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110101092 and 2110101101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2110101199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055050554 + 1055050555.

It is an arithmetic number, because the mean of its divisors is an integer number (1055050555).

Almost surely, 2^2110101109 is an apocalyptic number.

It is an amenable number.

2110101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110101109 is an equidigital number, since it uses as much as digits as its factorization.

2110101109 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 square root of 2110101109 is about 45935.8368705742. The cubic root of 2110101109 is about 1282.6290991463.

The spelling of 2110101109 in words is "two billion, one hundred ten million, one hundred one thousand, one hundred nine".