100221212002 has 8 divisors (see below), whose sum is σ = 150606649296. Its totient is φ = 50018995572.

The previous prime is 100221211999. The next prime is 100221212009. The reversal of 100221212002 is 200212122001.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (100221212009) 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 3 ways as a sum of consecutive naturals, for example, 45803848 + ... + 45806035.

It is an arithmetic number, because the mean of its divisors is an integer number (18825831162).

Almost surely, 2^100221212002 is an apocalyptic number.

100221212002 is a deficient number, since it is larger than the sum of its proper divisors (50385437294).

100221212002 is an equidigital number, since it uses as much as digits as its factorization.

100221212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91610432.

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

Adding to 100221212002 its reverse (200212122001), we get a palindrome (300433334003).

Subtracting 100221212002 from its reverse (200212122001), we obtain a palindrome (99990909999).

The spelling of 100221212002 in words is "one hundred billion, two hundred twenty-one million, two hundred twelve thousand, two".