121303300321 has 16 divisors (see below), whose sum is σ = 142027498368. Its totient is φ = 101428387200.

The previous prime is 121303300289. The next prime is 121303300337. The reversal of 121303300321 is 123003303121.

It is not a de Polignac number, because 121303300321 - 2⁵ = 121303300289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121303300361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5353011 + ... + 5375623.

It is an arithmetic number, because the mean of its divisors is an integer number (8876718648).

Almost surely, 2^121303300321 is an apocalyptic number.

It is an amenable number.

121303300321 is a deficient number, since it is larger than the sum of its proper divisors (20724198047).

121303300321 is a wasteful number, since it uses less digits than its factorization.

121303300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41352.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121303300321 its reverse (123003303121), we get a palindrome (244306603442).

The spelling of 121303300321 in words is "one hundred twenty-one billion, three hundred three million, three hundred thousand, three hundred twenty-one".