100000221312032 has 12 divisors (see below), whose sum is σ = 196875435708126. Its totient is φ = 50000110656000.

The previous prime is 100000221312011. The next prime is 100000221312067. The reversal of 100000221312032 is 230213122000001.

It can be written as a sum of positive squares in only one way, i.e., 87537655096336 + 12462566215696 = 9356156^2 + 3530236^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100000221312032.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1562503457969 + ... + 1562503458032.

Almost surely, 2^{100000221312032} is an apocalyptic number.

It is an amenable number.

100000221312032 is a deficient number, since it is larger than the sum of its proper divisors (96875214396094).

100000221312032 is an equidigital number, since it uses as much as digits as its factorization.

100000221312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125006916011 (or 3125006916003 counting only the distinct ones).

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

Adding to 100000221312032 its reverse (230213122000001), we get a palindrome (330213343312033).

The spelling of 100000221312032 in words is "one hundred trillion, two hundred twenty-one million, three hundred twelve thousand, thirty-two".