102208729361 has 2 divisors, whose sum is σ = 102208729362. Its totient is φ = 102208729360.

The previous prime is 102208729339. The next prime is 102208729411. The reversal of 102208729361 is 163927802201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100850069761 + 1358659600 = 317569^2 + 36860^2 .

It is a cyclic number.

It is not a de Polignac number, because 102208729361 - 2³⁰ = 101134987537 is a prime.

It is not a weakly prime, because it can be changed into another prime (102208729661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51104364680 + 51104364681.

It is an arithmetic number, because the mean of its divisors is an integer number (51104364681).

Almost surely, 2^102208729361 is an apocalyptic number.

It is an amenable number.

102208729361 is a deficient number, since it is larger than the sum of its proper divisors (1).

102208729361 is an equidigital number, since it uses as much as digits as its factorization.

102208729361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 102208729361 in words is "one hundred two billion, two hundred eight million, seven hundred twenty-nine thousand, three hundred sixty-one".