102320011 has 2 divisors, whose sum is σ = 102320012. Its totient is φ = 102320010.

The previous prime is 102320003. The next prime is 102320021. The reversal of 102320011 is 110023201.

It is an a-pointer prime, because the next prime (102320021) can be obtained adding 102320011 to its sum of digits (10).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102320011 - 2³ = 102320003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102320011.

It is not a weakly prime, because it can be changed into another prime (102320021) 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, 51160005 + 51160006.

It is an arithmetic number, because the mean of its divisors is an integer number (51160006).

Almost surely, 2^102320011 is an apocalyptic number.

102320011 is a deficient number, since it is larger than the sum of its proper divisors (1).

102320011 is an equidigital number, since it uses as much as digits as its factorization.

102320011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102320011 is about 10115.3354368503. The cubic root of 102320011 is about 467.7209890611.

Adding to 102320011 its reverse (110023201), we get a palindrome (212343212).

The spelling of 102320011 in words is "one hundred two million, three hundred twenty thousand, eleven".