2021314234243 has 8 divisors (see below), whose sum is σ = 2185204578320. Its totient is φ = 1863174428640.

The previous prime is 2021314234237. The next prime is 2021314234297. The reversal of 2021314234243 is 3424324131202.

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 2021314234243 - 2²⁵ = 2021280679811 is a prime.

It is a super-2 number, since 2×2021314234243² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021314231243) 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, 1437633888 + ... + 1437635293.

It is an arithmetic number, because the mean of its divisors is an integer number (273150572290).

Almost surely, 2^{2021314234243} is an apocalyptic number.

2021314234243 is a deficient number, since it is larger than the sum of its proper divisors (163890344077).

2021314234243 is a wasteful number, since it uses less digits than its factorization.

2021314234243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875269237.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 2021314234243 its reverse (3424324131202), we get a palindrome (5445638365445).

The spelling of 2021314234243 in words is "two trillion, twenty-one billion, three hundred fourteen million, two hundred thirty-four thousand, two hundred forty-three".