100221222202 has 16 divisors (see below), whose sum is σ = 151026960960. Its totient is φ = 49879404288.

The previous prime is 100221222191. The next prime is 100221222203. The reversal of 100221222202 is 202222122001.

It is not an unprimeable number, because it can be changed into a prime (100221222203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275299 + ... + 525577.

It is an arithmetic number, because the mean of its divisors is an integer number (9439185060).

Almost surely, 2^100221222202 is an apocalyptic number.

100221222202 is a deficient number, since it is larger than the sum of its proper divisors (50805738758).

100221222202 is a wasteful number, since it uses less digits than its factorization.

100221222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251205.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 100221222202 its reverse (202222122001), we get a palindrome (302443344203).

The spelling of 100221222202 in words is "one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred two".