42231112127 has 2 divisors, whose sum is σ = 42231112128. Its totient is φ = 42231112126.

The previous prime is 42231112111. The next prime is 42231112159. The reversal of 42231112127 is 72121113224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42231112127 - 2⁴ = 42231112111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42231112096 and 42231112105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42231112327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21115556063 + 21115556064.

It is an arithmetic number, because the mean of its divisors is an integer number (21115556064).

Almost surely, 2^42231112127 is an apocalyptic number.

42231112127 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231112127 is an equidigital number, since it uses as much as digits as its factorization.

42231112127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The spelling of 42231112127 in words is "forty-two billion, two hundred thirty-one million, one hundred twelve thousand, one hundred twenty-seven".