100244043332005 has 4 divisors (see below), whose sum is σ = 120292851998412. Its totient is φ = 80195234665600.

The previous prime is 100244043331987. The next prime is 100244043332033. The reversal of 100244043332005 is 500233340442001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 46983443675809 + 53260599656196 = 6854447^2 + 7297986^2 .

It is not a de Polignac number, because 100244043332005 - 2¹⁹ = 100244042807717 is a prime.

It is a super-2 number, since 2×100244043332005² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10024404333196 + ... + 10024404333205.

It is an arithmetic number, because the mean of its divisors is an integer number (30073212999603).

Almost surely, 2^{100244043332005} is an apocalyptic number.

It is an amenable number.

100244043332005 is a deficient number, since it is larger than the sum of its proper divisors (20048808666407).

100244043332005 is an equidigital number, since it uses as much as digits as its factorization.

100244043332005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20048808666406.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 100244043332005 its reverse (500233340442001), we get a palindrome (600477383774006).

The spelling of 100244043332005 in words is "one hundred trillion, two hundred forty-four billion, forty-three million, three hundred thirty-two thousand, five".