201122222220222 has 8 divisors (see below), whose sum is σ = 402244444440456. Its totient is φ = 67040740740072.

The previous prime is 201122222220209. The next prime is 201122222220251. The reversal of 201122222220222 is 222022222221102.

It is a sphenic number, since it is the product of 3 distinct primes.

201122222220222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 201122222220192 and 201122222220201.

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 3 ways as a sum of consecutive naturals, for example, 16760185185013 + ... + 16760185185024.

It is an arithmetic number, because the mean of its divisors is an integer number (50280555555057).

Almost surely, 2^{201122222220222} is an apocalyptic number.

201122222220222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

201122222220222 is a wasteful number, since it uses less digits than its factorization.

201122222220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33520370370042.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 201122222220222 its reverse (222022222221102), we get a palindrome (423144444441324).

The spelling of 201122222220222 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred twenty-two".