201122002221122 has 16 divisors (see below), whose sum is σ = 311415059961600. Its totient is φ = 97316989459920.

The previous prime is 201122002221067. The next prime is 201122002221181. The reversal of 201122002221122 is 221122200221102.

It is a junction number, because it is equal to n+sod(n) for n = 201122002221094 and 201122002221103.

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 7 ways as a sum of consecutive naturals, for example, 102375329 + ... + 104321387.

It is an arithmetic number, because the mean of its divisors is an integer number (19463441247600).

Almost surely, 2^{201122002221122} is an apocalyptic number.

201122002221122 is a deficient number, since it is larger than the sum of its proper divisors (110293057740478).

201122002221122 is a wasteful number, since it uses less digits than its factorization.

201122002221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3613001.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 201122002221122 its reverse (221122200221102), we get a palindrome (422244202442224).

It can be divided in two parts, 20112200 and 2221122, that added together give a palindrome (22333322).

The spelling of 201122002221122 in words is "two hundred one trillion, one hundred twenty-two billion, two million, two hundred twenty-one thousand, one hundred twenty-two".