100222221200 has 30 divisors (see below), whose sum is σ = 240783887394. Its totient is φ = 40088888320.

The previous prime is 100222221181. The next prime is 100222221241. The reversal of 100222221200 is 2122222001.

It can be written as a sum of positive squares in 3 ways, for example, as 9228292096 + 90993929104 = 96064^2 + 301652^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125277377 + ... + 125278176.

Almost surely, 2^100222221200 is an apocalyptic number.

100222221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100222221200 is an abundant number, since it is smaller than the sum of its proper divisors (140561666194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100222221200 is a wasteful number, since it uses less digits than its factorization.

100222221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250555571 (or 250555560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 100222221200 its reverse (2122222001), we get a palindrome (102344443201).

The spelling of 100222221200 in words is "one hundred billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred".