11201220120000 has 140 divisors (see below), whose sum is σ = 37033847731496. Its totient is φ = 2986992000000.

The previous prime is 11201220119993. The next prime is 11201220120029. The reversal of 11201220120000 is 2102210211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46551751 + ... + 46791750.

Almost surely, 2^{11201220120000} is an apocalyptic number.

11201220120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201220120000 is an abundant number, since it is smaller than the sum of its proper divisors (25832627611496).

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

11201220120000 is an frugal number, since it uses more digits than its factorization.

11201220120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93343536 (or 93343511 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11201220120000 its reverse (2102210211), we get a palindrome (11203322330211).

The spelling of 11201220120000 in words is "eleven trillion, two hundred one billion, two hundred twenty million, one hundred twenty thousand".