102003003212321 has 8 divisors (see below), whose sum is σ = 103149328205160. Its totient is φ = 100856683193728.

The previous prime is 102003003212287. The next prime is 102003003212347. The reversal of 102003003212321 is 123212300300201.

It can be written as a sum of positive squares in 4 ways, for example, as 3177434591296 + 98825568621025 = 1782536^2 + 9941105^2 .

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 102003003212321 - 2²² = 102002999018017 is a prime.

It is a super-2 number, since 2×102003003212321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102003003212293 and 102003003212302.

It is not an unprimeable number, because it can be changed into a prime (102003003212351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53429975 + ... + 55306131.

It is an arithmetic number, because the mean of its divisors is an integer number (12893666025645).

Almost surely, 2^{102003003212321} is an apocalyptic number.

It is an amenable number.

102003003212321 is a deficient number, since it is larger than the sum of its proper divisors (1146324992839).

102003003212321 is an equidigital number, since it uses as much as digits as its factorization.

102003003212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487123.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102003003212321 its reverse (123212300300201), we get a palindrome (225215303512522).

The spelling of 102003003212321 in words is "one hundred two trillion, three billion, three million, two hundred twelve thousand, three hundred twenty-one".