11201222112112 has 20 divisors (see below), whose sum is σ = 22402444225216. Its totient is φ = 5419946183040.

The previous prime is 11201222112077. The next prime is 11201222112149. The reversal of 11201222112112 is 21121122210211.

It is a happy number.

11201222112112 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 11201222112112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11291554053 + ... + 11291555044.

Almost surely, 2^{11201222112112} is an apocalyptic number.

It is an amenable number.

11201222112112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11201222112112 is a wasteful number, since it uses less digits than its factorization.

11201222112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22583109136 (or 22583109130 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11201222112112 its reverse (21121122210211), we get a palindrome (32322344322323).

The spelling of 11201222112112 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twelve".