42002304113221 has 16 divisors (see below), whose sum is σ = 43567583270400. Its totient is φ = 40444912747008.

The previous prime is 42002304113141. The next prime is 42002304113249. The reversal of 42002304113221 is 12231140320024.

It is a cyclic number.

It is not a de Polignac number, because 42002304113221 - 2¹⁹ = 42002303588933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002304113251) 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, 24535600 + ... + 26191606.

It is an arithmetic number, because the mean of its divisors is an integer number (2722973954400).

Almost surely, 2^{42002304113221} is an apocalyptic number.

It is an amenable number.

42002304113221 is a deficient number, since it is larger than the sum of its proper divisors (1565279157179).

42002304113221 is a wasteful number, since it uses less digits than its factorization.

42002304113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658388.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 42002304113221 its reverse (12231140320024), we get a palindrome (54233444433245).

The spelling of 42002304113221 in words is "forty-two trillion, two billion, three hundred four million, one hundred thirteen thousand, two hundred twenty-one".