100221220001 has 8 divisors (see below), whose sum is σ = 116975527680. Its totient is φ = 84076159968.

The previous prime is 100221219997. The next prime is 100221220019. The reversal of 100221220001 is 100022122001.

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 100221220001 - 2² = 100221219997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100221220061) 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 7 ways as a sum of consecutive naturals, for example, 152311556 + ... + 152312213.

It is an arithmetic number, because the mean of its divisors is an integer number (14621940960).

Almost surely, 2^100221220001 is an apocalyptic number.

It is an amenable number.

100221220001 is a deficient number, since it is larger than the sum of its proper divisors (16754307679).

100221220001 is an equidigital number, since it uses as much as digits as its factorization.

100221220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304623823.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 100221220001 its reverse (100022122001), we get a palindrome (200243342002).

It can be divided in two parts, 10022122000 and 1, that added together give a palindrome (10022122001).

The spelling of 100221220001 in words is "one hundred billion, two hundred twenty-one million, two hundred twenty thousand, one".