112721099 has 2 divisors, whose sum is σ = 112721100. Its totient is φ = 112721098.

The previous prime is 112721069. The next prime is 112721111. The reversal of 112721099 is 990127211.

It is a strong prime.

It is an emirp because it is prime and its reverse (990127211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112721099 - 2⁸ = 112720843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112721039) 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, 56360549 + 56360550.

It is an arithmetic number, because the mean of its divisors is an integer number (56360550).

Almost surely, 2^112721099 is an apocalyptic number.

112721099 is a deficient number, since it is larger than the sum of its proper divisors (1).

112721099 is an equidigital number, since it uses as much as digits as its factorization.

112721099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 112721099 is about 10617.0193086384. The cubic root of 112721099 is about 483.0607353322.

The spelling of 112721099 in words is "one hundred twelve million, seven hundred twenty-one thousand, ninety-nine".