112340343221 has 2 divisors, whose sum is σ = 112340343222. Its totient is φ = 112340343220.

The previous prime is 112340343197. The next prime is 112340343229. The reversal of 112340343221 is 122343043211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111252267025 + 1088076196 = 333545^2 + 32986^2 .

It is a cyclic number.

It is not a de Polignac number, because 112340343221 - 2²² = 112336148917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112340343229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56170171610 + 56170171611.

It is an arithmetic number, because the mean of its divisors is an integer number (56170171611).

Almost surely, 2^112340343221 is an apocalyptic number.

It is an amenable number.

112340343221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112340343221 is an equidigital number, since it uses as much as digits as its factorization.

112340343221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 112340343221 its reverse (122343043211), we get a palindrome (234683386432).

The spelling of 112340343221 in words is "one hundred twelve billion, three hundred forty million, three hundred forty-three thousand, two hundred twenty-one".