102110202251 has 2 divisors, whose sum is σ = 102110202252. Its totient is φ = 102110202250.

The previous prime is 102110202197. The next prime is 102110202263. The reversal of 102110202251 is 152202011201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102110202251 - 2¹⁰ = 102110201227 is a prime.

It is not a weakly prime, because it can be changed into another prime (102110202451) 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, 51055101125 + 51055101126.

It is an arithmetic number, because the mean of its divisors is an integer number (51055101126).

Almost surely, 2^102110202251 is an apocalyptic number.

102110202251 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110202251 is an equidigital number, since it uses as much as digits as its factorization.

102110202251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 102110202251 its reverse (152202011201), we get a palindrome (254312213452).

The spelling of 102110202251 in words is "one hundred two billion, one hundred ten million, two hundred two thousand, two hundred fifty-one".