102103112321 has 8 divisors (see below), whose sum is σ = 116709958464. Its totient is φ = 87501438000.

The previous prime is 102103112311. The next prime is 102103112347. The reversal of 102103112321 is 123211301201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102103112321 - 2¹⁸ = 102102850177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102103112321.

It is not an unprimeable number, because it can be changed into a prime (102103112311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250555 + ... + 1329696.

It is an arithmetic number, because the mean of its divisors is an integer number (14588744808).

Almost surely, 2^102103112321 is an apocalyptic number.

It is an amenable number.

102103112321 is a deficient number, since it is larger than the sum of its proper divisors (14606846143).

102103112321 is an equidigital number, since it uses as much as digits as its factorization.

102103112321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585911.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 102103112321 its reverse (123211301201), we get a palindrome (225314413522).

The spelling of 102103112321 in words is "one hundred two billion, one hundred three million, one hundred twelve thousand, three hundred twenty-one".