100244344221 has 48 divisors (see below), whose sum is σ = 166435850880. Its totient is φ = 56953290240.

The previous prime is 100244344219. The next prime is 100244344231. The reversal of 100244344221 is 122443442001.

100244344221 is a `hidden beast` number, since 1 + 0 + 0 + 2 + 4 + 434 + 4 + 221 = 666.

It is not a de Polignac number, because 100244344221 - 2¹ = 100244344219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100244344201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10843161 + ... + 10852401.

It is an arithmetic number, because the mean of its divisors is an integer number (3467413560).

Almost surely, 2^100244344221 is an apocalyptic number.

It is an amenable number.

100244344221 is a deficient number, since it is larger than the sum of its proper divisors (66191506659).

100244344221 is a wasteful number, since it uses less digits than its factorization.

100244344221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226 (or 10223 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 100244344221 its reverse (122443442001), we get a palindrome (222687786222).

The spelling of 100244344221 in words is "one hundred billion, two hundred forty-four million, three hundred forty-four thousand, two hundred twenty-one".