102210021097 has 2 divisors, whose sum is σ = 102210021098. Its totient is φ = 102210021096.

The previous prime is 102210021083. The next prime is 102210021163. The reversal of 102210021097 is 790120012201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53181433321 + 49028587776 = 230611^2 + 221424^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210021097 - 2²⁷ = 102075803369 is a prime.

It is a super-3 number, since 3×102210021097³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102210021497) 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, 51105010548 + 51105010549.

It is an arithmetic number, because the mean of its divisors is an integer number (51105010549).

Almost surely, 2^102210021097 is an apocalyptic number.

It is an amenable number.

102210021097 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210021097 is an equidigital number, since it uses as much as digits as its factorization.

102210021097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 102210021097 its reverse (790120012201), we get a palindrome (892330033298).

The spelling of 102210021097 in words is "one hundred two billion, two hundred ten million, twenty-one thousand, ninety-seven".