11201222111120 has 160 divisors (see below), whose sum is σ = 27030183957504. Its totient is φ = 4312251187200.

The previous prime is 11201222111099. The next prime is 11201222111129. The reversal of 11201222111120 is 2111122210211.

It is not an unprimeable number, because it can be changed into a prime (11201222111129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509066039 + ... + 509088041.

Almost surely, 2^{11201222111120} is an apocalyptic number.

11201222111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11201222111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13515091978752).

11201222111120 is an abundant number, since it is smaller than the sum of its proper divisors (15828961846384).

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

11201222111120 is a wasteful number, since it uses less digits than its factorization.

11201222111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23161 (or 23155 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11201222111120 its reverse (2111122210211), we get a palindrome (13312344321331).

Subtracting from 11201222111120 its reverse (2111122210211), we obtain a palindrome (9090099900909).

The spelling of 11201222111120 in words is "eleven trillion, two hundred one billion, two hundred twenty-two million, one hundred eleven thousand, one hundred twenty".