102220202171 has 2 divisors, whose sum is σ = 102220202172. Its totient is φ = 102220202170.

The previous prime is 102220202069. The next prime is 102220202209. The reversal of 102220202171 is 171202022201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102220202171 - 2¹⁰ = 102220201147 is a prime.

It is a super-2 number, since 2×102220202171² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102220202971) 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, 51110101085 + 51110101086.

It is an arithmetic number, because the mean of its divisors is an integer number (51110101086).

Almost surely, 2^102220202171 is an apocalyptic number.

102220202171 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220202171 is an equidigital number, since it uses as much as digits as its factorization.

102220202171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 102220202171 its reverse (171202022201), we get a palindrome (273422224372).

The spelling of 102220202171 in words is "one hundred two billion, two hundred twenty million, two hundred two thousand, one hundred seventy-one".