112357289221 has 2 divisors, whose sum is σ = 112357289222. Its totient is φ = 112357289220.

The previous prime is 112357289197. The next prime is 112357289237. The reversal of 112357289221 is 122982753211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93782325121 + 18574964100 = 306239^2 + 136290^2 .

It is a cyclic number.

It is not a de Polignac number, because 112357289221 - 2²¹ = 112355192069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112357289521) 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, 56178644610 + 56178644611.

It is an arithmetic number, because the mean of its divisors is an integer number (56178644611).

Almost surely, 2^112357289221 is an apocalyptic number.

It is an amenable number.

112357289221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112357289221 is an equidigital number, since it uses as much as digits as its factorization.

112357289221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The spelling of 112357289221 in words is "one hundred twelve billion, three hundred fifty-seven million, two hundred eighty-nine thousand, two hundred twenty-one".