102020101193 has 2 divisors, whose sum is σ = 102020101194. Its totient is φ = 102020101192.

The previous prime is 102020101177. The next prime is 102020101207. The reversal of 102020101193 is 391101020201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75297006409 + 26723094784 = 274403^2 + 163472^2 .

It is a cyclic number.

It is not a de Polignac number, because 102020101193 - 2⁴ = 102020101177 is a prime.

It is not a weakly prime, because it can be changed into another prime (102020101493) 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, 51010050596 + 51010050597.

It is an arithmetic number, because the mean of its divisors is an integer number (51010050597).

Almost surely, 2^102020101193 is an apocalyptic number.

It is an amenable number.

102020101193 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020101193 is an equidigital number, since it uses as much as digits as its factorization.

102020101193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 102020101193 its reverse (391101020201), we get a palindrome (493121121394).

The spelling of 102020101193 in words is "one hundred two billion, twenty million, one hundred one thousand, one hundred ninety-three".