42302242320021 has 12 divisors (see below), whose sum is σ = 61108550995648. Its totient is φ = 28199043146664.

The previous prime is 42302242319999. The next prime is 42302242320071. The reversal of 42302242320021 is 12002324220324.

42302242320021 is a `hidden beast` number, since 4 + 2 + 30 + 2 + 2 + 423 + 200 + 2 + 1 = 666.

It is not a de Polignac number, because 42302242320021 - 2¹⁷ = 42302242188949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42302242320071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204201835 + ... + 204408888.

Almost surely, 2^{42302242320021} is an apocalyptic number.

It is an amenable number.

42302242320021 is a deficient number, since it is larger than the sum of its proper divisors (18806308675627).

42302242320021 is a wasteful number, since it uses less digits than its factorization.

42302242320021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408622232 (or 408622229 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42302242320021 its reverse (12002324220324), we get a palindrome (54304566540345).

The spelling of 42302242320021 in words is "forty-two trillion, three hundred two billion, two hundred forty-two million, three hundred twenty thousand, twenty-one".