102302111 has 4 divisors (see below), whose sum is σ = 105829800. Its totient is φ = 98774424.

The previous prime is 102302089. The next prime is 102302129. The reversal of 102302111 is 111203201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102302111 - 2¹⁴ = 102285727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102302092 and 102302101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102302171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763801 + ... + 1763858.

It is an arithmetic number, because the mean of its divisors is an integer number (26457450).

Almost surely, 2^102302111 is an apocalyptic number.

102302111 is a deficient number, since it is larger than the sum of its proper divisors (3527689).

102302111 is an equidigital number, since it uses as much as digits as its factorization.

102302111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527688.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 102302111 is about 10114.4506029739. The cubic root of 102302111 is about 467.6937128914.

Adding to 102302111 its reverse (111203201), we get a palindrome (213505312).

The spelling of 102302111 in words is "one hundred two million, three hundred two thousand, one hundred eleven".