2042040232221 has 16 divisors (see below), whose sum is σ = 2999648662848. Its totient is φ = 1225346672000.

The previous prime is 2042040232181. The next prime is 2042040232259. The reversal of 2042040232221 is 1222320402402.

It is not a de Polignac number, because 2042040232221 - 2¹⁰ = 2042040231197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2042040232191 and 2042040232200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042040232021) 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, 306333336 + ... + 306340001.

It is an arithmetic number, because the mean of its divisors is an integer number (187478041428).

Almost surely, 2^{2042040232221} is an apocalyptic number.

It is an amenable number.

2042040232221 is a deficient number, since it is larger than the sum of its proper divisors (957608430627).

2042040232221 is a wasteful number, since it uses less digits than its factorization.

2042040232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612673452.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 2042040232221 its reverse (1222320402402), we get a palindrome (3264360634623).

The spelling of 2042040232221 in words is "two trillion, forty-two billion, forty million, two hundred thirty-two thousand, two hundred twenty-one".