102110243 has 2 divisors, whose sum is σ = 102110244. Its totient is φ = 102110242.

The previous prime is 102110231. The next prime is 102110257. The reversal of 102110243 is 342011201.

It is an a-pointer prime, because the next prime (102110257) can be obtained adding 102110243 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102110243 - 2⁴ = 102110227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (102110443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055121 + 51055122.

It is an arithmetic number, because the mean of its divisors is an integer number (51055122).

Almost surely, 2^102110243 is an apocalyptic number.

102110243 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110243 is an equidigital number, since it uses as much as digits as its factorization.

102110243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102110243 is about 10104.9613062099. The cubic root of 102110243 is about 467.4011427946.

Adding to 102110243 its reverse (342011201), we get a palindrome (444121444).

The spelling of 102110243 in words is "one hundred two million, one hundred ten thousand, two hundred forty-three".