42411321021 has 8 divisors (see below), whose sum is σ = 56791126080. Its totient is φ = 28152864992.

The previous prime is 42411321019. The next prime is 42411321023. The reversal of 42411321021 is 12012311424.

It is an interprime number because it is at equal distance from previous prime (42411321019) and next prime (42411321023).

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 42411321021 - 2¹ = 42411321019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42411321023) 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, 30336441 + ... + 30337838.

It is an arithmetic number, because the mean of its divisors is an integer number (7098890760).

Almost surely, 2^42411321021 is an apocalyptic number.

It is an amenable number.

42411321021 is a deficient number, since it is larger than the sum of its proper divisors (14379805059).

42411321021 is a wasteful number, since it uses less digits than its factorization.

42411321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60674515.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 42411321021 its reverse (12012311424), we get a palindrome (54423632445).

The spelling of 42411321021 in words is "forty-two billion, four hundred eleven million, three hundred twenty-one thousand, twenty-one".