42332200021 has 4 divisors (see below), whose sum is σ = 44822329452. Its totient is φ = 39842070592.

The previous prime is 42332199941. The next prime is 42332200037. The reversal of 42332200021 is 12000223324.

42332200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33587892900 + 8744307121 = 183270^2 + 93511^2 .

It is a cyclic number.

It is not a de Polignac number, because 42332200021 - 2¹³ = 42332191829 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 (42332210021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245064690 + ... + 1245064723.

It is an arithmetic number, because the mean of its divisors is an integer number (11205582363).

Almost surely, 2^42332200021 is an apocalyptic number.

It is an amenable number.

42332200021 is a deficient number, since it is larger than the sum of its proper divisors (2490129431).

42332200021 is a wasteful number, since it uses less digits than its factorization.

42332200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490129430.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 42332200021 its reverse (12000223324), we get a palindrome (54332423345).

The spelling of 42332200021 in words is "forty-two billion, three hundred thirty-two million, two hundred thousand, twenty-one".