100320220097 has 2 divisors, whose sum is σ = 100320220098. Its totient is φ = 100320220096.

The previous prime is 100320220093. The next prime is 100320220109. The reversal of 100320220097 is 790022023001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100098835456 + 221384641 = 316384^2 + 14879^2 .

It is an emirp because it is prime and its reverse (790022023001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100320220097 - 2² = 100320220093 is a prime.

It is not a weakly prime, because it can be changed into another prime (100320220093) 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, 50160110048 + 50160110049.

It is an arithmetic number, because the mean of its divisors is an integer number (50160110049).

Almost surely, 2^100320220097 is an apocalyptic number.

It is an amenable number.

100320220097 is a deficient number, since it is larger than the sum of its proper divisors (1).

100320220097 is an equidigital number, since it uses as much as digits as its factorization.

100320220097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 100320220097 its reverse (790022023001), we get a palindrome (890342243098).

The spelling of 100320220097 in words is "one hundred billion, three hundred twenty million, two hundred twenty thousand, ninety-seven".