222102100211122 has 16 divisors (see below), whose sum is σ = 350718373274400. Its totient is φ = 105197004007200.

The previous prime is 222102100211053. The next prime is 222102100211129. The reversal of 222102100211122 is 221112001201222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 222102100211122.

It is not an unprimeable number, because it can be changed into a prime (222102100211129) 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, 256617504 + ... + 257481547.

It is an arithmetic number, because the mean of its divisors is an integer number (21919898329650).

Almost surely, 2^{222102100211122} is an apocalyptic number.

222102100211122 is a deficient number, since it is larger than the sum of its proper divisors (128616273063278).

222102100211122 is a wasteful number, since it uses less digits than its factorization.

222102100211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514110441.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222102100211122 its reverse (221112001201222), we get a palindrome (443214101412344).

It can be divided in two parts, 222102100 and 211122, that added together give a palindrome (222313222).

The spelling of 222102100211122 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred million, two hundred eleven thousand, one hundred twenty-two".