201122200112212 has 24 divisors (see below), whose sum is σ = 360606461003712. Its totient is φ = 98092573521600.

The previous prime is 201122200112189. The next prime is 201122200112219. The reversal of 201122200112212 is 212211002221102.

It is a self number, because there is not a number n which added to its sum of digits gives 201122200112212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122200112219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97834464 + ... + 99869047.

It is an arithmetic number, because the mean of its divisors is an integer number (15025269208488).

Almost surely, 2^{201122200112212} is an apocalyptic number.

It is an amenable number.

201122200112212 is a deficient number, since it is larger than the sum of its proper divisors (159484260891500).

201122200112212 is a wasteful number, since it uses less digits than its factorization.

201122200112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197709759 (or 197709757 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201122200112212 its reverse (212211002221102), we get a palindrome (413333202333314).

The spelling of 201122200112212 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred million, one hundred twelve thousand, two hundred twelve".