100000221111222 has 16 divisors (see below), whose sum is σ = 200028839359680. Its totient is φ = 33328674180872.

The previous prime is 100000221111179. The next prime is 100000221111233. The reversal of 100000221111222 is 222111122000001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183168272 + ... + 1183252787.

It is an arithmetic number, because the mean of its divisors is an integer number (12501802459980).

Almost surely, 2^{100000221111222} is an apocalyptic number.

100000221111222 is an abundant number, since it is smaller than the sum of its proper divisors (100028618248458).

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

100000221111222 is a wasteful number, since it uses less digits than its factorization.

100000221111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366428107.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100000221111222 its reverse (222111122000001), we get a palindrome (322111343111223).

The spelling of 100000221111222 in words is "one hundred trillion, two hundred twenty-one million, one hundred eleven thousand, two hundred twenty-two".