102210210871 has 2 divisors, whose sum is σ = 102210210872. Its totient is φ = 102210210870.

The previous prime is 102210210829. The next prime is 102210210901. The reversal of 102210210871 is 178012012201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (178012012201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102210210871 - 2¹⁹ = 102209686583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102210217871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105105435 + 51105105436.

It is an arithmetic number, because the mean of its divisors is an integer number (51105105436).

Almost surely, 2^102210210871 is an apocalyptic number.

102210210871 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210210871 is an equidigital number, since it uses as much as digits as its factorization.

102210210871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 25.

The spelling of 102210210871 in words is "one hundred two billion, two hundred ten million, two hundred ten thousand, eight hundred seventy-one".