2021434320241 has 16 divisors (see below), whose sum is σ = 2316695883264. Its totient is φ = 1727794845504.

The previous prime is 2021434320239. The next prime is 2021434320251. The reversal of 2021434320241 is 1420234341202.

It is not a de Polignac number, because 2021434320241 - 2¹ = 2021434320239 is a prime.

It is a super-2 number, since 2×2021434320241² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021434320251) 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, 41729751 + ... + 41778163.

It is an arithmetic number, because the mean of its divisors is an integer number (144793492704).

Almost surely, 2^{2021434320241} is an apocalyptic number.

It is an amenable number.

2021434320241 is a deficient number, since it is larger than the sum of its proper divisors (295261563023).

2021434320241 is a wasteful number, since it uses less digits than its factorization.

2021434320241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65040.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2021434320241 its reverse (1420234341202), we get a palindrome (3441668661443).

The spelling of 2021434320241 in words is "two trillion, twenty-one billion, four hundred thirty-four million, three hundred twenty thousand, two hundred forty-one".