100221203312 has 10 divisors (see below), whose sum is σ = 194178581448. Its totient is φ = 50110601648.

The previous prime is 100221203309. The next prime is 100221203321. The reversal of 100221203312 is 213302122001.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3131912588 + ... + 3131912619.

Almost surely, 2^100221203312 is an apocalyptic number.

It is an amenable number.

100221203312 is a deficient number, since it is larger than the sum of its proper divisors (93957378136).

100221203312 is an equidigital number, since it uses as much as digits as its factorization.

100221203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263825215 (or 6263825209 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 100221203312 its reverse (213302122001), we get a palindrome (313523325313).

The spelling of 100221203312 in words is "one hundred billion, two hundred twenty-one million, two hundred three thousand, three hundred twelve".