440243211101 has 2 divisors, whose sum is σ = 440243211102. Its totient is φ = 440243211100.

The previous prime is 440243211047. The next prime is 440243211167. The reversal of 440243211101 is 101112342044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290385187876 + 149858023225 = 538874^2 + 387115^2 .

It is a cyclic number.

It is not a de Polignac number, because 440243211101 - 2²² = 440239016797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440243211181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220121605550 + 220121605551.

It is an arithmetic number, because the mean of its divisors is an integer number (220121605551).

Almost surely, 2^440243211101 is an apocalyptic number.

It is an amenable number.

440243211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

440243211101 is an equidigital number, since it uses as much as digits as its factorization.

440243211101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 440243211101 its reverse (101112342044), we get a palindrome (541355553145).

The spelling of 440243211101 in words is "four hundred forty billion, two hundred forty-three million, two hundred eleven thousand, one hundred one".