8921300121321 has 32 divisors (see below), whose sum is σ = 13824122723328. Its totient is φ = 5011809042240.

The previous prime is 8921300121313. The next prime is 8921300121359. The reversal of 8921300121321 is 1231210031298.

It is not a de Polignac number, because 8921300121321 - 2³ = 8921300121313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8921300121361) 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 31 ways as a sum of consecutive naturals, for example, 827370 + ... + 4304316.

It is an arithmetic number, because the mean of its divisors is an integer number (432003835104).

Almost surely, 2^{8921300121321} is an apocalyptic number.

It is an amenable number.

8921300121321 is a deficient number, since it is larger than the sum of its proper divisors (4902822602007).

8921300121321 is a wasteful number, since it uses less digits than its factorization.

8921300121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3479021.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 8921300121321 in words is "eight trillion, nine hundred twenty-one billion, three hundred million, one hundred twenty-one thousand, three hundred twenty-one".