42112021124 has 6 divisors (see below), whose sum is σ = 73696036974. Its totient is φ = 21056010560.

The previous prime is 42112021093. The next prime is 42112021139.

42112021124 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 33727322500 + 8384698624 = 183650^2 + 91568^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42112021096 and 42112021105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5264002637 + ... + 5264002644.

It is an arithmetic number, because the mean of its divisors is an integer number (12282672829).

Almost surely, 2^42112021124 is an apocalyptic number.

It is an amenable number.

42112021124 is a deficient number, since it is larger than the sum of its proper divisors (31584015850).

42112021124 is a wasteful number, since it uses less digits than its factorization.

42112021124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10528005285 (or 10528005283 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 421120 and 21124, that added together give a palindrome (442244).

The spelling of 42112021124 in words is "forty-two billion, one hundred twelve million, twenty-one thousand, one hundred twenty-four".