102340111 has 2 divisors, whose sum is σ = 102340112. Its totient is φ = 102340110.

The previous prime is 102340109. The next prime is 102340151. The reversal of 102340111 is 111043201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102340111 - 2¹ = 102340109 is a prime.

Together with 102340109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 102340091 and 102340100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102340151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51170055 + 51170056.

It is an arithmetic number, because the mean of its divisors is an integer number (51170056).

Almost surely, 2^102340111 is an apocalyptic number.

102340111 is a deficient number, since it is larger than the sum of its proper divisors (1).

102340111 is an equidigital number, since it uses as much as digits as its factorization.

102340111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 102340111 is about 10116.3289290137. The cubic root of 102340111 is about 467.7516138179.

Adding to 102340111 its reverse (111043201), we get a palindrome (213383312).

The spelling of 102340111 in words is "one hundred two million, three hundred forty thousand, one hundred eleven".