102251542271 has 2 divisors, whose sum is σ = 102251542272. Its totient is φ = 102251542270.

The previous prime is 102251542171. The next prime is 102251542277. The reversal of 102251542271 is 172245152201.

It is a strong prime.

It is an emirp because it is prime and its reverse (172245152201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102251542271 - 2³⁰ = 101177800447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102251542277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51125771135 + 51125771136.

It is an arithmetic number, because the mean of its divisors is an integer number (51125771136).

Almost surely, 2^102251542271 is an apocalyptic number.

102251542271 is a deficient number, since it is larger than the sum of its proper divisors (1).

102251542271 is an equidigital number, since it uses as much as digits as its factorization.

102251542271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 102251542271 its reverse (172245152201), we get a palindrome (274496694472).

The spelling of 102251542271 in words is "one hundred two billion, two hundred fifty-one million, five hundred forty-two thousand, two hundred seventy-one".