102300121321 has 4 divisors (see below), whose sum is σ = 102341930112. Its totient is φ = 102258312532.

The previous prime is 102300121289. The next prime is 102300121337. The reversal of 102300121321 is 123121003201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102300121321 - 2⁵ = 102300121289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102300121295 and 102300121304.

It is not an unprimeable number, because it can be changed into a prime (102300161321) 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 3 ways as a sum of consecutive naturals, for example, 20900725 + ... + 20905618.

It is an arithmetic number, because the mean of its divisors is an integer number (25585482528).

Almost surely, 2^102300121321 is an apocalyptic number.

It is an amenable number.

102300121321 is a deficient number, since it is larger than the sum of its proper divisors (41808791).

102300121321 is an equidigital number, since it uses as much as digits as its factorization.

102300121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41808790.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102300121321 its reverse (123121003201), we get a palindrome (225421124522).

The spelling of 102300121321 in words is "one hundred two billion, three hundred million, one hundred twenty-one thousand, three hundred twenty-one".