112343043221 has 2 divisors, whose sum is σ = 112343043222. Its totient is φ = 112343043220.

The previous prime is 112343043179. The next prime is 112343043277. The reversal of 112343043221 is 122340343211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84383859121 + 27959184100 = 290489^2 + 167210^2 .

It is a cyclic number.

It is not a de Polignac number, because 112343043221 - 2¹⁸ = 112342781077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112343043521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56171521610 + 56171521611.

It is an arithmetic number, because the mean of its divisors is an integer number (56171521611).

Almost surely, 2^112343043221 is an apocalyptic number.

It is an amenable number.

112343043221 is a deficient number, since it is larger than the sum of its proper divisors (1).

112343043221 is an equidigital number, since it uses as much as digits as its factorization.

112343043221 is an evil number, because the sum of its binary digits is even.

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

Adding to 112343043221 its reverse (122340343211), we get a palindrome (234683386432).

The spelling of 112343043221 in words is "one hundred twelve billion, three hundred forty-three million, forty-three thousand, two hundred twenty-one".