112000010021 has 2 divisors, whose sum is σ = 112000010022. Its totient is φ = 112000010020.

The previous prime is 112000009997. The next prime is 112000010041. The reversal of 112000010021 is 120010000211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65682513796 + 46317496225 = 256286^2 + 215215^2 .

It is a cyclic number.

It is not a de Polignac number, because 112000010021 - 2¹⁰ = 112000008997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112000009990 and 112000010008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112000010041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56000005010 + 56000005011.

It is an arithmetic number, because the mean of its divisors is an integer number (56000005011).

Almost surely, 2^112000010021 is an apocalyptic number.

It is an amenable number.

112000010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112000010021 is an equidigital number, since it uses as much as digits as its factorization.

112000010021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 112000010021 its reverse (120010000211), we get a palindrome (232010010232).

The spelling of 112000010021 in words is "one hundred twelve billion, ten thousand, twenty-one".