102320020011 has 16 divisors (see below), whose sum is σ = 148834483200. Its totient is φ = 62009898720.

The previous prime is 102320019943. The next prime is 102320020021. The reversal of 102320020011 is 110020023201.

It is not a de Polignac number, because 102320020011 - 2⁹ = 102320019499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102320020021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1664326 + ... + 1724708.

It is an arithmetic number, because the mean of its divisors is an integer number (9302155200).

Almost surely, 2^102320020011 is an apocalyptic number.

102320020011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102320020011 is a deficient number, since it is larger than the sum of its proper divisors (46514463189).

102320020011 is a wasteful number, since it uses less digits than its factorization.

102320020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111746.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102320020011 its reverse (110020023201), we get a palindrome (212340043212).

The spelling of 102320020011 in words is "one hundred two billion, three hundred twenty million, twenty thousand, eleven".