102020097025897 has 2 divisors, whose sum is σ = 102020097025898. Its totient is φ = 102020097025896.

The previous prime is 102020097025811. The next prime is 102020097025909. The reversal of 102020097025897 is 798520790020201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99906841706281 + 2113255319616 = 9995341^2 + 1453704^2 .

It is a cyclic number.

It is not a de Polignac number, because 102020097025897 - 2¹¹ = 102020097023849 is a prime.

It is not a weakly prime, because it can be changed into another prime (102020097025097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010048512948 + 51010048512949.

It is an arithmetic number, because the mean of its divisors is an integer number (51010048512949).

Almost surely, 2^{102020097025897} is an apocalyptic number.

It is an amenable number.

102020097025897 is a deficient number, since it is larger than the sum of its proper divisors (1).

102020097025897 is an equidigital number, since it uses as much as digits as its factorization.

102020097025897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 102020097025897 in words is "one hundred two trillion, twenty billion, ninety-seven million, twenty-five thousand, eight hundred ninety-seven".