100444862221 has 8 divisors (see below), whose sum is σ = 110149913088. Its totient is φ = 90835428000.

The previous prime is 100444862207. The next prime is 100444862233. The reversal of 100444862221 is 122268444001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100444862221 - 2⁷ = 100444862093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100444862201) 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 7 ways as a sum of consecutive naturals, for example, 23901960 + ... + 23906161.

It is an arithmetic number, because the mean of its divisors is an integer number (13768739136).

Almost surely, 2^100444862221 is an apocalyptic number.

100444862221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100444862221 is a deficient number, since it is larger than the sum of its proper divisors (9705050867).

100444862221 is a wasteful number, since it uses less digits than its factorization.

100444862221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47808323.

The product of its (nonzero) digits is 24576, while the sum is 34.

The spelling of 100444862221 in words is "one hundred billion, four hundred forty-four million, eight hundred sixty-two thousand, two hundred twenty-one".