100222220121222 has 32 divisors (see below), whose sum is σ = 204060610293984. Its totient is φ = 32806486944000.

The previous prime is 100222220121197. The next prime is 100222220121253. The reversal of 100222220121222 is 222121022222001.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 221679529 + ... + 222131172.

It is an arithmetic number, because the mean of its divisors is an integer number (6376894071687).

Almost surely, 2^{100222220121222} is an apocalyptic number.

100222220121222 is an abundant number, since it is smaller than the sum of its proper divisors (103838390172762).

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

100222220121222 is a wasteful number, since it uses less digits than its factorization.

100222220121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443811384.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 100222220121222 its reverse (222121022222001), we get a palindrome (322343242343223).

The spelling of 100222220121222 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".