2321210101321 has 4 divisors (see below), whose sum is σ = 2321867113092. Its totient is φ = 2320553089552.

The previous prime is 2321210101307. The next prime is 2321210101363. The reversal of 2321210101321 is 1231010121232.

2321210101321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1438953790096 + 882256311225 = 1199564^2 + 939285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321210101321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321210101121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328500586 + ... + 328507651.

It is an arithmetic number, because the mean of its divisors is an integer number (580466778273).

Almost surely, 2^{2321210101321} is an apocalyptic number.

It is an amenable number.

2321210101321 is a deficient number, since it is larger than the sum of its proper divisors (657011771).

2321210101321 is an equidigital number, since it uses as much as digits as its factorization.

2321210101321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657011770.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2321210101321 its reverse (1231010121232), we get a palindrome (3552220222553).

The spelling of 2321210101321 in words is "two trillion, three hundred twenty-one billion, two hundred ten million, one hundred one thousand, three hundred twenty-one".