2321113210421 has 4 divisors (see below), whose sum is σ = 2395987830144. Its totient is φ = 2246238590700.

The previous prime is 2321113210411. The next prime is 2321113210469. The reversal of 2321113210421 is 1240123111232.

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 2321113210421 - 2³⁰ = 2320039468597 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 (2321113210411) 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, 37437309815 + ... + 37437309876.

It is an arithmetic number, because the mean of its divisors is an integer number (598996957536).

Almost surely, 2^{2321113210421} is an apocalyptic number.

It is an amenable number.

2321113210421 is a deficient number, since it is larger than the sum of its proper divisors (74874619723).

2321113210421 is an equidigital number, since it uses as much as digits as its factorization.

2321113210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74874619722.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2321113210421 its reverse (1240123111232), we get a palindrome (3561236321653).

The spelling of 2321113210421 in words is "two trillion, three hundred twenty-one billion, one hundred thirteen million, two hundred ten thousand, four hundred twenty-one".