2321021113213 has 16 divisors (see below), whose sum is σ = 2599346889216. Its totient is φ = 2054235662640.

The previous prime is 2321021113153. The next prime is 2321021113247. The reversal of 2321021113213 is 3123111201232.

It is a cyclic number.

It is not a de Polignac number, because 2321021113213 - 2⁴¹ = 121997857661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321021117213) 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 15 ways as a sum of consecutive naturals, for example, 7846681 + ... + 8137102.

It is an arithmetic number, because the mean of its divisors is an integer number (162459180576).

Almost surely, 2^{2321021113213} is an apocalyptic number.

It is an amenable number.

2321021113213 is a deficient number, since it is larger than the sum of its proper divisors (278325776003).

2321021113213 is a wasteful number, since it uses less digits than its factorization.

2321021113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15984144.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2321021113213 its reverse (3123111201232), we get a palindrome (5444132314445).

The spelling of 2321021113213 in words is "two trillion, three hundred twenty-one billion, twenty-one million, one hundred thirteen thousand, two hundred thirteen".