201222001220122 has 32 divisors (see below), whose sum is σ = 323934341246208. Its totient is φ = 93411227068416.

The previous prime is 201222001220057. The next prime is 201222001220161. The reversal of 201222001220122 is 221022100222102.

201222001220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201222001220122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98357778 + ... + 100382749.

It is an arithmetic number, because the mean of its divisors is an integer number (10122948163944).

Almost surely, 2^{201222001220122} is an apocalyptic number.

201222001220122 is a deficient number, since it is larger than the sum of its proper divisors (122712340026086).

201222001220122 is a wasteful number, since it uses less digits than its factorization.

201222001220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198740950.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201222001220122 its reverse (221022100222102), we get a palindrome (422244101442224).

The spelling of 201222001220122 in words is "two hundred one trillion, two hundred twenty-two billion, one million, two hundred twenty thousand, one hundred twenty-two".