102020003102209 has 2 divisors, whose sum is σ = 102020003102210. Its totient is φ = 102020003102208.

The previous prime is 102020003102203. The next prime is 102020003102221. The reversal of 102020003102209 is 902201300020201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85223915622400 + 16796087479809 = 9231680^2 + 4098303^2 .

It is a cyclic number.

It is not a de Polignac number, because 102020003102209 - 2³ = 102020003102201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102020003102209.

It is not a weakly prime, because it can be changed into another prime (102020003102201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010001551104 + 51010001551105.

It is an arithmetic number, because the mean of its divisors is an integer number (51010001551105).

Almost surely, 2^{102020003102209} is an apocalyptic number.

It is an amenable number.

102020003102209 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020003102209 is an equidigital number, since it uses as much as digits as its factorization.

102020003102209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 102020003102209 in words is "one hundred two trillion, twenty billion, three million, one hundred two thousand, two hundred nine".