100440032033321 has 4 divisors (see below), whose sum is σ = 100440552778500. Its totient is φ = 100439511288144.

The previous prime is 100440032033309. The next prime is 100440032033333. The reversal of 100440032033321 is 123330230044001.

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

It is an interprime number because it is at equal distance from previous prime (100440032033309) and next prime (100440032033333).

It can be written as a sum of positive squares in 2 ways, for example, as 77648612304025 + 22791419729296 = 8811845^2 + 4774036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100440032033321 is a prime.

It is a super-2 number, since 2×100440032033321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100440032033351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260083166 + ... + 260469063.

It is an arithmetic number, because the mean of its divisors is an integer number (25110138194625).

Almost surely, 2^{100440032033321} is an apocalyptic number.

It is an amenable number.

100440032033321 is a deficient number, since it is larger than the sum of its proper divisors (520745179).

100440032033321 is an equidigital number, since it uses as much as digits as its factorization.

100440032033321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520745178.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 100440032033321 its reverse (123330230044001), we get a palindrome (223770262077322).

The spelling of 100440032033321 in words is "one hundred trillion, four hundred forty billion, thirty-two million, thirty-three thousand, three hundred twenty-one".