2121113320323 has 16 divisors (see below), whose sum is σ = 2920303411200. Its totient is φ = 1368028189440.

The previous prime is 2121113320259. The next prime is 2121113320411. The reversal of 2121113320323 is 3230233111212.

It is not a de Polignac number, because 2121113320323 - 2⁶ = 2121113320259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121113320293 and 2121113320302.

It is not an unprimeable number, because it can be changed into a prime (2121113320223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3303843 + ... + 3893276.

It is an arithmetic number, because the mean of its divisors is an integer number (182518963200).

Almost surely, 2^{2121113320323} is an apocalyptic number.

2121113320323 is a deficient number, since it is larger than the sum of its proper divisors (799190090877).

2121113320323 is a wasteful number, since it uses less digits than its factorization.

2121113320323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200322.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2121113320323 its reverse (3230233111212), we get a palindrome (5351346431535).

The spelling of 2121113320323 in words is "two trillion, one hundred twenty-one billion, one hundred thirteen million, three hundred twenty thousand, three hundred twenty-three".