100221000202 has 4 divisors (see below), whose sum is σ = 150331500306. Its totient is φ = 50110500100.

The previous prime is 100221000179. The next prime is 100221000227. The reversal of 100221000202 is 202000122001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 89132699601 + 11088300601 = 298551^2 + 105301^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25055250049 + ... + 25055250052.

Almost surely, 2^100221000202 is an apocalyptic number.

100221000202 is a deficient number, since it is larger than the sum of its proper divisors (50110500104).

100221000202 is an equidigital number, since it uses as much as digits as its factorization.

100221000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50110500103.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 100221000202 its reverse (202000122001), we get a palindrome (302221122203).

The spelling of 100221000202 in words is "one hundred billion, two hundred twenty-one million, two hundred two", and thus it is an aban number.