42071112321 has 48 divisors (see below), whose sum is σ = 69134999040. Its totient is φ = 22612262400.

The previous prime is 42071112301. The next prime is 42071112337. The reversal of 42071112321 is 12321117024.

It is not a de Polignac number, because 42071112321 - 2⁵ = 42071112289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42071112291 and 42071112300.

It is not an unprimeable number, because it can be changed into a prime (42071112301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4871235 + ... + 4879863.

It is an arithmetic number, because the mean of its divisors is an integer number (1440312480).

Almost surely, 2^42071112321 is an apocalyptic number.

It is an amenable number.

42071112321 is a deficient number, since it is larger than the sum of its proper divisors (27063886719).

42071112321 is a wasteful number, since it uses less digits than its factorization.

42071112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10614 (or 10607 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 42071112321 its reverse (12321117024), we get a palindrome (54392229345).

The spelling of 42071112321 in words is "forty-two billion, seventy-one million, one hundred twelve thousand, three hundred twenty-one".