42344420322101 has 2 divisors, whose sum is σ = 42344420322102. Its totient is φ = 42344420322100.

The previous prime is 42344420322079. The next prime is 42344420322109. The reversal of 42344420322101 is 10122302444324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31088999214001 + 11255421108100 = 5575751^2 + 3354910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42344420322101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42344420322109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172210161050 + 21172210161051.

It is an arithmetic number, because the mean of its divisors is an integer number (21172210161051).

Almost surely, 2^{42344420322101} is an apocalyptic number.

It is an amenable number.

42344420322101 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344420322101 is an equidigital number, since it uses as much as digits as its factorization.

42344420322101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 42344420322101 its reverse (10122302444324), we get a palindrome (52466722766425).

The spelling of 42344420322101 in words is "forty-two trillion, three hundred forty-four billion, four hundred twenty million, three hundred twenty-two thousand, one hundred one".