11200120111000 has 128 divisors (see below), whose sum is σ = 26260536519360. Its totient is φ = 4471125120000.

The previous prime is 11200120110983. The next prime is 11200120111007. The reversal of 11200120111000 is 11102100211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200120111007) 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, 1131206050 + ... + 1131215950.

Almost surely, 2^{11200120111000} is an apocalyptic number.

11200120111000 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 11200120111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13130268259680).

11200120111000 is an abundant number, since it is smaller than the sum of its proper divisors (15060416408360).

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

11200120111000 is a wasteful number, since it uses less digits than its factorization.

11200120111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12062 (or 12048 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11200120111000 its reverse (11102100211), we get a palindrome (11211222211211).

The spelling of 11200120111000 in words is "eleven trillion, two hundred billion, one hundred twenty million, one hundred eleven thousand".