112343040304021 has 2 divisors, whose sum is σ = 112343040304022. Its totient is φ = 112343040304020.

The previous prime is 112343040304009. The next prime is 112343040304049. The reversal of 112343040304021 is 120403040343211.

It is a happy number.

It is an a-pointer prime, because the next prime (112343040304049) can be obtained adding 112343040304021 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100939998672100 + 11403041631921 = 10046890^2 + 3376839^2 .

It is a cyclic number.

It is not a de Polignac number, because 112343040304021 - 2²⁹ = 112342503433109 is a prime.

It is a super-3 number, since 3×112343040304021³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112343040304721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56171520152010 + 56171520152011.

It is an arithmetic number, because the mean of its divisors is an integer number (56171520152011).

Almost surely, 2^{112343040304021} is an apocalyptic number.

It is an amenable number.

112343040304021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112343040304021 is an equidigital number, since it uses as much as digits as its factorization.

112343040304021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 112343040304021 its reverse (120403040343211), we get a palindrome (232746080647232).

The spelling of 112343040304021 in words is "one hundred twelve trillion, three hundred forty-three billion, forty million, three hundred four thousand, twenty-one".