112211999 has 2 divisors, whose sum is σ = 112212000. Its totient is φ = 112211998.

The previous prime is 112211987. The next prime is 112212007. The reversal of 112211999 is 999112211.

It is a strong prime.

It is an emirp because it is prime and its reverse (999112211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112211999 - 2²⁴ = 95434783 is a prime.

It is a zygodrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112211969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56105999 + 56106000.

It is an arithmetic number, because the mean of its divisors is an integer number (56106000).

Almost surely, 2^112211999 is an apocalyptic number.

112211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

112211999 is an equidigital number, since it uses as much as digits as its factorization.

112211999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 35.

The square root of 112211999 is about 10593.0165203307. The cubic root of 112211999 is about 482.3323967078.

The spelling of 112211999 in words is "one hundred twelve million, two hundred eleven thousand, nine hundred ninety-nine".