102220610197 has 2 divisors, whose sum is σ = 102220610198. Its totient is φ = 102220610196.

The previous prime is 102220610171. The next prime is 102220610201. The reversal of 102220610197 is 791016022201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60404859076 + 41815751121 = 245774^2 + 204489^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220610197 - 2²³ = 102212221589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102220610137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110305098 + 51110305099.

It is an arithmetic number, because the mean of its divisors is an integer number (51110305099).

Almost surely, 2^102220610197 is an apocalyptic number.

It is an amenable number.

102220610197 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220610197 is an equidigital number, since it uses as much as digits as its factorization.

102220610197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

Adding to 102220610197 its reverse (791016022201), we get a palindrome (893236632398).

The spelling of 102220610197 in words is "one hundred two billion, two hundred twenty million, six hundred ten thousand, one hundred ninety-seven".