112220211221009 has 2 divisors, whose sum is σ = 112220211221010. Its totient is φ = 112220211221008.

The previous prime is 112220211220987. The next prime is 112220211221017. The reversal of 112220211221009 is 900122112022211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110003849545984 + 2216361675025 = 10488272^2 + 1488745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112220211221009 is a prime.

It is not a weakly prime, because it can be changed into another prime (112220211221059) 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, 56110105610504 + 56110105610505.

It is an arithmetic number, because the mean of its divisors is an integer number (56110105610505).

Almost surely, 2^{112220211221009} is an apocalyptic number.

It is an amenable number.

112220211221009 is a deficient number, since it is larger than the sum of its proper divisors (1).

112220211221009 is an equidigital number, since it uses as much as digits as its factorization.

112220211221009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 112220211221009 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred eleven million, two hundred twenty-one thousand, nine".