11203211120 has 80 divisors (see below), whose sum is σ = 26389471680. Its totient is φ = 4422746112.

The previous prime is 11203211119. The next prime is 11203211137. The reversal of 11203211120 is 2111230211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 11203211095 and 11203211104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2609936 + ... + 2614224.

It is an arithmetic number, because the mean of its divisors is an integer number (329868396).

Almost surely, 2^11203211120 is an apocalyptic number.

11203211120 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 11203211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13194735840).

11203211120 is an abundant number, since it is smaller than the sum of its proper divisors (15186260560).

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

11203211120 is a wasteful number, since it uses less digits than its factorization.

11203211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4716 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11203211120 its reverse (2111230211), we get a palindrome (13314441331).

The spelling of 11203211120 in words is "eleven billion, two hundred three million, two hundred eleven thousand, one hundred twenty".