100550244521 has 4 divisors (see below), whose sum is σ = 100554891600. Its totient is φ = 100545597444.

The previous prime is 100550244511. The next prime is 100550244541. The reversal of 100550244521 is 125442055001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100550244521 - 2¹⁴ = 100550228137 is a prime.

It is a super-2 number, since 2×100550244521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100550244511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290931 + ... + 2334408.

It is an arithmetic number, because the mean of its divisors is an integer number (25138722900).

Almost surely, 2^100550244521 is an apocalyptic number.

It is an amenable number.

100550244521 is a deficient number, since it is larger than the sum of its proper divisors (4647079).

100550244521 is an equidigital number, since it uses as much as digits as its factorization.

100550244521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4647078.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 100550244521 its reverse (125442055001), we get a palindrome (225992299522).

The spelling of 100550244521 in words is "one hundred billion, five hundred fifty million, two hundred forty-four thousand, five hundred twenty-one".