102220120193 has 2 divisors, whose sum is σ = 102220120194. Its totient is φ = 102220120192.

The previous prime is 102220120159. The next prime is 102220120201. The reversal of 102220120193 is 391021022201.

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., 91272264769 + 10947855424 = 302113^2 + 104632^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220120193 - 2¹⁴ = 102220103809 is a prime.

It is not a weakly prime, because it can be changed into another prime (102220120133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110060096 + 51110060097.

It is an arithmetic number, because the mean of its divisors is an integer number (51110060097).

Almost surely, 2^102220120193 is an apocalyptic number.

It is an amenable number.

102220120193 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220120193 is an equidigital number, since it uses as much as digits as its factorization.

102220120193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 102220120193 its reverse (391021022201), we get a palindrome (493241142394).

The spelling of 102220120193 in words is "one hundred two billion, two hundred twenty million, one hundred twenty thousand, one hundred ninety-three".