2021123352313 has 12 divisors (see below), whose sum is σ = 2203047450048. Its totient is φ = 1853296988400.

The previous prime is 2021123352307. The next prime is 2021123352323. The reversal of 2021123352313 is 3132533211202.

It is not a de Polignac number, because 2021123352313 - 2¹⁷ = 2021123221241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021123352323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39574845 + ... + 39625882.

It is an arithmetic number, because the mean of its divisors is an integer number (183587287504).

Almost surely, 2^{2021123352313} is an apocalyptic number.

It is an amenable number.

2021123352313 is a deficient number, since it is larger than the sum of its proper divisors (181924097735).

2021123352313 is a wasteful number, since it uses less digits than its factorization.

2021123352313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79200904 (or 79200891 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 2021123352313 its reverse (3132533211202), we get a palindrome (5153656563515).

The spelling of 2021123352313 in words is "two trillion, twenty-one billion, one hundred twenty-three million, three hundred fifty-two thousand, three hundred thirteen".