112004021 has 2 divisors, whose sum is σ = 112004022. Its totient is φ = 112004020.

The previous prime is 112003933. The next prime is 112004047. The reversal of 112004021 is 120400211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100781521 + 11222500 = 10039^2 + 3350^2 .

It is an emirp because it is prime and its reverse (120400211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112004021 - 2¹⁴ = 111987637 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 112003993 and 112004011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112004521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56002010 + 56002011.

It is an arithmetic number, because the mean of its divisors is an integer number (56002011).

Almost surely, 2^112004021 is an apocalyptic number.

It is an amenable number.

112004021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112004021 is an equidigital number, since it uses as much as digits as its factorization.

112004021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 112004021 is about 10583.1952169465. The cubic root of 112004021 is about 482.0342213268.

Adding to 112004021 its reverse (120400211), we get a palindrome (232404232).

The spelling of 112004021 in words is "one hundred twelve million, four thousand, twenty-one".