102202201109 has 2 divisors, whose sum is σ = 102202201110. Its totient is φ = 102202201108.

The previous prime is 102202201093. The next prime is 102202201139. The reversal of 102202201109 is 901102202201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100820220484 + 1381980625 = 317522^2 + 37175^2 .

It is a cyclic number.

It is not a de Polignac number, because 102202201109 - 2⁴ = 102202201093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102202201139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51101100554 + 51101100555.

It is an arithmetic number, because the mean of its divisors is an integer number (51101100555).

Almost surely, 2^102202201109 is an apocalyptic number.

It is an amenable number.

102202201109 is a deficient number, since it is larger than the sum of its proper divisors (1).

102202201109 is an equidigital number, since it uses as much as digits as its factorization.

102202201109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 102202201109 in words is "one hundred two billion, two hundred two million, two hundred one thousand, one hundred nine".