222101200122222 has 48 divisors (see below), whose sum is σ = 469407650090112. Its totient is φ = 70048100831760.

The previous prime is 222101200122187. The next prime is 222101200122229. The reversal of 222101200122222 is 222221002101222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101200122229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63441354 + ... + 66850637.

It is an arithmetic number, because the mean of its divisors is an integer number (9779326043544).

Almost surely, 2^{222101200122222} is an apocalyptic number.

222101200122222 is an abundant number, since it is smaller than the sum of its proper divisors (247306449967890).

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

222101200122222 is a wasteful number, since it uses less digits than its factorization.

222101200122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130292821 (or 130292802 counting only the distinct ones).

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

Adding to 222101200122222 its reverse (222221002101222), we get a palindrome (444322202223444).

The spelling of 222101200122222 in words is "two hundred twenty-two trillion, one hundred one billion, two hundred million, one hundred twenty-two thousand, two hundred twenty-two".