42231120122 has 8 divisors (see below), whose sum is σ = 63347992500. Its totient is φ = 21115122624.

The previous prime is 42231120119. The next prime is 42231120187. The reversal of 42231120122 is 22102113224.

It can be written as a sum of positive squares in 2 ways, for example, as 41856658921 + 374461201 = 204589^2 + 19351^2 .

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

It is a super-3 number, since 3×42231120122³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42231120094 and 42231120103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80597 + ... + 301592.

Almost surely, 2^42231120122 is an apocalyptic number.

42231120122 is a deficient number, since it is larger than the sum of its proper divisors (21116872378).

42231120122 is a wasteful number, since it uses less digits than its factorization.

42231120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437440.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 42231120122 its reverse (22102113224), we get a palindrome (64333233346).

The spelling of 42231120122 in words is "forty-two billion, two hundred thirty-one million, one hundred twenty thousand, one hundred twenty-two".