100221222001 has 8 divisors (see below), whose sum is σ = 100335343680. Its totient is φ = 100107146832.

The previous prime is 100221221953. The next prime is 100221222011. The reversal of 100221222001 is 100222122001.

It is a happy number.

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 100221222001 - 2²³ = 100212833393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100221222011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5946855 + ... + 5963683.

It is an arithmetic number, because the mean of its divisors is an integer number (12541917960).

Almost surely, 2^100221222001 is an apocalyptic number.

It is an amenable number.

100221222001 is a deficient number, since it is larger than the sum of its proper divisors (114121679).

100221222001 is a wasteful number, since it uses less digits than its factorization.

100221222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23255.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100221222001 its reverse (100222122001), we get a palindrome (200443344002).

The spelling of 100221222001 in words is "one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, one".