112000021109 has 2 divisors, whose sum is σ = 112000021110. Its totient is φ = 112000021108.

The previous prime is 112000021099. The next prime is 112000021139. The reversal of 112000021109 is 901120000211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107778920209 + 4221100900 = 328297^2 + 64970^2 .

It is an emirp because it is prime and its reverse (901120000211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112000021109 - 2⁴ = 112000021093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112000021139) by changing a digit.

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 as a sum of consecutive naturals, namely, 56000010554 + 56000010555.

It is an arithmetic number, because the mean of its divisors is an integer number (56000010555).

Almost surely, 2^112000021109 is an apocalyptic number.

It is an amenable number.

112000021109 is a deficient number, since it is larger than the sum of its proper divisors (1).

112000021109 is an equidigital number, since it uses as much as digits as its factorization.

112000021109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 112000021109 in words is "one hundred twelve billion, twenty-one thousand, one hundred nine".