2201121112236 has 48 divisors (see below), whose sum is σ = 5184292014720. Its totient is φ = 726801838720.

The previous prime is 2201121112159. The next prime is 2201121112237. The reversal of 2201121112236 is 6322111211022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2201121112237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22985896 + ... + 23081456.

It is an arithmetic number, because the mean of its divisors is an integer number (108006083640).

Almost surely, 2^{2201121112236} is an apocalyptic number.

It is an amenable number.

2201121112236 is an abundant number, since it is smaller than the sum of its proper divisors (2983170902484).

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

2201121112236 is a wasteful number, since it uses less digits than its factorization.

2201121112236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113614 (or 113612 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 2201121112236 its reverse (6322111211022), we get a palindrome (8523232323258).

The spelling of 2201121112236 in words is "two trillion, two hundred one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred thirty-six".