112403022221261 has 2 divisors, whose sum is σ = 112403022221262. Its totient is φ = 112403022221260.

The previous prime is 112403022221213. The next prime is 112403022221263. The reversal of 112403022221261 is 162122220304211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103712430244900 + 8690591976361 = 10183930^2 + 2947981^2 .

It is an emirp because it is prime and its reverse (162122220304211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112403022221261 - 2¹⁴ = 112403022204877 is a prime.

Together with 112403022221263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112403022221263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56201511110630 + 56201511110631.

It is an arithmetic number, because the mean of its divisors is an integer number (56201511110631).

Almost surely, 2^{112403022221261} is an apocalyptic number.

It is an amenable number.

112403022221261 is a deficient number, since it is larger than the sum of its proper divisors (1).

112403022221261 is an equidigital number, since it uses as much as digits as its factorization.

112403022221261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 112403022221261 its reverse (162122220304211), we get a palindrome (274525242525472).

The spelling of 112403022221261 in words is "one hundred twelve trillion, four hundred three billion, twenty-two million, two hundred twenty-one thousand, two hundred sixty-one".