201222020222112 has 48 divisors (see below), whose sum is σ = 542483689662432. Its totient is φ = 65261195746560.

The previous prime is 201222020222107. The next prime is 201222020222147. The reversal of 201222020222112 is 211222020222102.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 28325168214 + ... + 28325175317.

It is an arithmetic number, because the mean of its divisors is an integer number (11301743534634).

Almost surely, 2^{201222020222112} is an apocalyptic number.

It is an amenable number.

201222020222112 is an abundant number, since it is smaller than the sum of its proper divisors (341261669440320).

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

201222020222112 is a wasteful number, since it uses less digits than its factorization.

201222020222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56650343581 (or 56650343573 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 201222020222112 its reverse (211222020222102), we get a palindrome (412444040444214).

The spelling of 201222020222112 in words is "two hundred one trillion, two hundred twenty-two billion, twenty million, two hundred twenty-two thousand, one hundred twelve".