201122212102212 has 48 divisors (see below), whose sum is σ = 489737456087040. Its totient is φ = 64119559482528.

The previous prime is 201122212102169. The next prime is 201122212102223. The reversal of 201122212102212 is 212201212221102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33367798 + ... + 38931405.

It is an arithmetic number, because the mean of its divisors is an integer number (10202863668480).

Almost surely, 2^{201122212102212} is an apocalyptic number.

It is an amenable number.

201122212102212 is an abundant number, since it is smaller than the sum of its proper divisors (288615243984828).

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

201122212102212 is a wasteful number, since it uses less digits than its factorization.

201122212102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72309312 (or 72309310 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 201122212102212 its reverse (212201212221102), we get a palindrome (413323424323314).

The spelling of 201122212102212 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred two thousand, two hundred twelve".