110444204321021 has 2 divisors, whose sum is σ = 110444204321022. Its totient is φ = 110444204321020.

The previous prime is 110444204320993. The next prime is 110444204321071. The reversal of 110444204321021 is 120123402444011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57153766320121 + 53290438000900 = 7560011^2 + 7300030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110444204321021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110444204321071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55222102160510 + 55222102160511.

It is an arithmetic number, because the mean of its divisors is an integer number (55222102160511).

Almost surely, 2^{110444204321021} is an apocalyptic number.

It is an amenable number.

110444204321021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110444204321021 is an equidigital number, since it uses as much as digits as its factorization.

110444204321021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 110444204321021 its reverse (120123402444011), we get a palindrome (230567606765032).

The spelling of 110444204321021 in words is "one hundred ten trillion, four hundred forty-four billion, two hundred four million, three hundred twenty-one thousand, twenty-one".