42243141302021 has 8 divisors (see below), whose sum is σ = 46514113108704. Its totient is φ = 38043950534320.

The previous prime is 42243141301969. The next prime is 42243141302053. The reversal of 42243141302021 is 12020314134224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42243141302021 - 2²⁶ = 42243074193157 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 (42243141305021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17945258510 + ... + 17945260863.

It is an arithmetic number, because the mean of its divisors is an integer number (5814264138588).

Almost surely, 2^{42243141302021} is an apocalyptic number.

It is an amenable number.

42243141302021 is a deficient number, since it is larger than the sum of its proper divisors (4270971806683).

42243141302021 is a wasteful number, since it uses less digits than its factorization.

42243141302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35890519491.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 42243141302021 its reverse (12020314134224), we get a palindrome (54263455436245).

The spelling of 42243141302021 in words is "forty-two trillion, two hundred forty-three billion, one hundred forty-one million, three hundred two thousand, twenty-one".