201020222011112 has 128 divisors (see below), whose sum is σ = 447236575027200. Its totient is φ = 82929371616000.

The previous prime is 201020222011109. The next prime is 201020222011117. The reversal of 201020222011112 is 211110222020102.

It is not an unprimeable number, because it can be changed into a prime (201020222011117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42707987 + ... + 47180637.

It is an arithmetic number, because the mean of its divisors is an integer number (3494035742400).

Almost surely, 2^{201020222011112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201020222011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223618287513600).

201020222011112 is an abundant number, since it is smaller than the sum of its proper divisors (246216353016088).

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

201020222011112 is a wasteful number, since it uses less digits than its factorization.

201020222011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473007 (or 4473003 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201020222011112 its reverse (211110222020102), we get a palindrome (412130444031214).

The spelling of 201020222011112 in words is "two hundred one trillion, twenty billion, two hundred twenty-two million, eleven thousand, one hundred twelve".