113221127 has 2 divisors, whose sum is σ = 113221128. Its totient is φ = 113221126.

The previous prime is 113221103. The next prime is 113221181. The reversal of 113221127 is 721122311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113221127 - 2¹⁰ = 113220103 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 113221099 and 113221108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113221027) 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, 56610563 + 56610564.

It is an arithmetic number, because the mean of its divisors is an integer number (56610564).

Almost surely, 2^113221127 is an apocalyptic number.

113221127 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221127 is an equidigital number, since it uses as much as digits as its factorization.

113221127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 20.

The square root of 113221127 is about 10640.5416685430. The cubic root of 113221127 is about 483.7739635631.

Adding to 113221127 its reverse (721122311), we get a palindrome (834343438).

The spelling of 113221127 in words is "one hundred thirteen million, two hundred twenty-one thousand, one hundred twenty-seven".