2121320230013 has 8 divisors (see below), whose sum is σ = 2166721996032. Its totient is φ = 2075929601296.

The previous prime is 2121320229979. The next prime is 2121320230039. The reversal of 2121320230013 is 3100320231212.

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 2121320230013 - 2⁴⁰ = 1021808602237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121320230613) 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, 2398745 + ... + 3161742.

It is an arithmetic number, because the mean of its divisors is an integer number (270840249504).

Almost surely, 2^{2121320230013} is an apocalyptic number.

It is an amenable number.

2121320230013 is a deficient number, since it is larger than the sum of its proper divisors (45401766019).

2121320230013 is an equidigital number, since it uses as much as digits as its factorization.

2121320230013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568651.

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

Adding to 2121320230013 its reverse (3100320231212), we get a palindrome (5221640461225).

The spelling of 2121320230013 in words is "two trillion, one hundred twenty-one billion, three hundred twenty million, two hundred thirty thousand, thirteen".