42221412341 has 2 divisors, whose sum is σ = 42221412342. Its totient is φ = 42221412340.

The previous prime is 42221412329. The next prime is 42221412379. The reversal of 42221412341 is 14321412224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40832284900 + 1389127441 = 202070^2 + 37271^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42221412341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42221412341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42221412241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110706170 + 21110706171.

It is an arithmetic number, because the mean of its divisors is an integer number (21110706171).

Almost surely, 2^42221412341 is an apocalyptic number.

It is an amenable number.

42221412341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42221412341 is an equidigital number, since it uses as much as digits as its factorization.

42221412341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3072, while the sum is 26.

Adding to 42221412341 its reverse (14321412224), we get a palindrome (56542824565).

The spelling of 42221412341 in words is "forty-two billion, two hundred twenty-one million, four hundred twelve thousand, three hundred forty-one".