100444122021 has 8 divisors (see below), whose sum is σ = 135760092160. Its totient is φ = 66045449952.

The previous prime is 100444121983. The next prime is 100444122029. The reversal of 100444122021 is 120221444001.

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

It is not a de Polignac number, because 100444122021 - 2¹³ = 100444113829 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 (100444122029) 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, 229324261 + ... + 229324698.

It is an arithmetic number, because the mean of its divisors is an integer number (16970011520).

Almost surely, 2^100444122021 is an apocalyptic number.

It is an amenable number.

100444122021 is a deficient number, since it is larger than the sum of its proper divisors (35315970139).

100444122021 is an equidigital number, since it uses as much as digits as its factorization.

100444122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458649035.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 100444122021 its reverse (120221444001), we get a palindrome (220665566022).

The spelling of 100444122021 in words is "one hundred billion, four hundred forty-four million, one hundred twenty-two thousand, twenty-one".