2043320110221 has 16 divisors (see below), whose sum is σ = 2935823958144. Its totient is φ = 1256645252544.

The previous prime is 2043320110211. The next prime is 2043320110229. The reversal of 2043320110221 is 1220110233402.

It is not a de Polignac number, because 2043320110221 - 2⁹ = 2043320109709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043320110229) 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, 16238766 + ... + 16364111.

It is an arithmetic number, because the mean of its divisors is an integer number (183488997384).

Almost surely, 2^{2043320110221} is an apocalyptic number.

It is an amenable number.

2043320110221 is a deficient number, since it is larger than the sum of its proper divisors (892503847923).

2043320110221 is a wasteful number, since it uses less digits than its factorization.

2043320110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32604500.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2043320110221 its reverse (1220110233402), we get a palindrome (3263430343623).

The spelling of 2043320110221 in words is "two trillion, forty-three billion, three hundred twenty million, one hundred ten thousand, two hundred twenty-one".