2021222065143 has 8 divisors (see below), whose sum is σ = 2695304828800. Its totient is φ = 1347310339128.

The previous prime is 2021222065141. The next prime is 2021222065153. The reversal of 2021222065143 is 3415602221202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021222065143 - 2¹ = 2021222065141 is a prime.

It is a super-2 number, since 2×2021222065143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021222065143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021222065141) 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, 42731833 + ... + 42779106.

It is an arithmetic number, because the mean of its divisors is an integer number (336913103600).

Almost surely, 2^{2021222065143} is an apocalyptic number.

2021222065143 is a deficient number, since it is larger than the sum of its proper divisors (674082763657).

2021222065143 is an equidigital number, since it uses as much as digits as its factorization.

2021222065143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85518821.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2021222065143 its reverse (3415602221202), we get a palindrome (5436824286345).

The spelling of 2021222065143 in words is "two trillion, twenty-one billion, two hundred twenty-two million, sixty-five thousand, one hundred forty-three".