201122120122222 has 128 divisors (see below), whose sum is σ = 365119570529280. Its totient is φ = 82144075622400.

The previous prime is 201122120122193. The next prime is 201122120122241. The reversal of 201122120122222 is 222221021221102.

It is a junction number, because it is equal to n+sod(n) for n = 201122120122193 and 201122120122202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 142015873 + ... + 143425075.

It is an arithmetic number, because the mean of its divisors is an integer number (2852496644760).

Almost surely, 2^{201122120122222} is an apocalyptic number.

201122120122222 is a deficient number, since it is larger than the sum of its proper divisors (163997450407058).

201122120122222 is a wasteful number, since it uses less digits than its factorization.

201122120122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409498.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 201122120122222 its reverse (222221021221102), we get a palindrome (423343141343324).

The spelling of 201122120122222 in words is "two hundred one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".