42220443100001 has 2 divisors, whose sum is σ = 42220443100002. Its totient is φ = 42220443100000.

The previous prime is 42220443099997. The next prime is 42220443100061. The reversal of 42220443100001 is 10000134402224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30198585864976 + 12021857235025 = 5495324^2 + 3467255^2 .

It is a cyclic number.

It is not a de Polignac number, because 42220443100001 - 2² = 42220443099997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42220443100001.

It is not a weakly prime, because it can be changed into another prime (42220443100061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110221550000 + 21110221550001.

It is an arithmetic number, because the mean of its divisors is an integer number (21110221550001).

Almost surely, 2^{42220443100001} is an apocalyptic number.

It is an amenable number.

42220443100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

42220443100001 is an equidigital number, since it uses as much as digits as its factorization.

42220443100001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 42220443100001 its reverse (10000134402224), we get a palindrome (52220577502225).

The spelling of 42220443100001 in words is "forty-two trillion, two hundred twenty billion, four hundred forty-three million, one hundred thousand, one".