102321999999999 has 24 divisors (see below), whose sum is σ = 159174772494192. Its totient is φ = 62964529562880.

The previous prime is 102321999999991. The next prime is 102322000000069. The reversal of 102321999999999 is 999999999123201.

It is a happy number.

102321999999999 is a `hidden beast` number, since 10 + 232 + 199 + 9 + 9 + 9 + 99 + 99 = 666.

It is not a de Polignac number, because 102321999999999 - 2³ = 102321999999991 is a prime.

102321999999999 is a modest number, since divided by 99999999 gives 1023219 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321999999991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17233882 + ... + 22397559.

It is an arithmetic number, because the mean of its divisors is an integer number (6632282187258).

Almost surely, 2^{102321999999999} is an apocalyptic number.

102321999999999 is a deficient number, since it is larger than the sum of its proper divisors (56852772494193).

102321999999999 is a wasteful number, since it uses less digits than its factorization.

102321999999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39653527 (or 39653524 counting only the distinct ones).

The product of its (nonzero) digits is 4649045868, while the sum is 90.

The spelling of 102321999999999 in words is "one hundred two trillion, three hundred twenty-one billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".