11201111021120 has 56 divisors (see below), whose sum is σ = 26812293124608. Its totient is φ = 4456986560000.

The previous prime is 11201111021033. The next prime is 11201111021123. The reversal of 11201111021120 is 2112011110211.

It is a junction number, because it is equal to n+sod(n) for n = 11201111021095 and 11201111021104.

It is not an unprimeable number, because it can be changed into a prime (11201111021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91571006 + ... + 91693245.

Almost surely, 2^{11201111021120} is an apocalyptic number.

11201111021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201111021120 is an abundant number, since it is smaller than the sum of its proper divisors (15611182103488).

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

11201111021120 is a wasteful number, since it uses less digits than its factorization.

11201111021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183264459 (or 183264449 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11201111021120 its reverse (2112011110211), we get a palindrome (13313122131331).

The spelling of 11201111021120 in words is "eleven trillion, two hundred one billion, one hundred eleven million, twenty-one thousand, one hundred twenty".