109102010209 has 2 divisors, whose sum is σ = 109102010210. Its totient is φ = 109102010208.

The previous prime is 109102010179. The next prime is 109102010231. The reversal of 109102010209 is 902010201901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59418937600 + 49683072609 = 243760^2 + 222897^2 .

It is a cyclic number.

It is not a de Polignac number, because 109102010209 - 2¹³ = 109102002017 is a prime.

It is not a weakly prime, because it can be changed into another prime (109102010509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54551005104 + 54551005105.

It is an arithmetic number, because the mean of its divisors is an integer number (54551005105).

Almost surely, 2^109102010209 is an apocalyptic number.

It is an amenable number.

109102010209 is a deficient number, since it is larger than the sum of its proper divisors (1).

109102010209 is an equidigital number, since it uses as much as digits as its factorization.

109102010209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 109102010209 in words is "one hundred nine billion, one hundred two million, ten thousand, two hundred nine".