42210044202041 has 2 divisors, whose sum is σ = 42210044202042. Its totient is φ = 42210044202040.

The previous prime is 42210044202037. The next prime is 42210044202049. The reversal of 42210044202041 is 14020244001224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27496651875625 + 14713392326416 = 5243725^2 + 3835804^2 .

It is a cyclic number.

It is not a de Polignac number, because 42210044202041 - 2² = 42210044202037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42210044202041.

It is not a weakly prime, because it can be changed into another prime (42210044202049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21105022101020 + 21105022101021.

It is an arithmetic number, because the mean of its divisors is an integer number (21105022101021).

Almost surely, 2^{42210044202041} is an apocalyptic number.

It is an amenable number.

42210044202041 is a deficient number, since it is larger than the sum of its proper divisors (1).

42210044202041 is an equidigital number, since it uses as much as digits as its factorization.

42210044202041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 42210044202041 its reverse (14020244001224), we get a palindrome (56230288203265).

The spelling of 42210044202041 in words is "forty-two trillion, two hundred ten billion, forty-four million, two hundred two thousand, forty-one".