201122202112 has 160 divisors (see below), whose sum is σ = 441157014144. Its totient is φ = 91039334400.

The previous prime is 201122202103. The next prime is 201122202217. The reversal of 201122202112 is 211202221102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99712528 + ... + 99714544.

Almost surely, 2^201122202112 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 201122202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220578507072).

201122202112 is an abundant number, since it is smaller than the sum of its proper divisors (240034812032).

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

201122202112 is a wasteful number, since it uses less digits than its factorization.

201122202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2314 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201122202112 its reverse (211202221102), we get a palindrome (412324423214).

The spelling of 201122202112 in words is "two hundred one billion, one hundred twenty-two million, two hundred two thousand, one hundred twelve".