11200111200000 has 324 divisors, whose sum is σ = 40363294693176. Its totient is φ = 2986694400000.

The previous prime is 11200111199993. The next prime is 11200111200011. The reversal of 11200111200000 is 211100211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6422215 + ... + 7977785.

Almost surely, 2^{11200111200000} is an apocalyptic number.

11200111200000 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 11200111200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20181647346588).

11200111200000 is an abundant number, since it is smaller than the sum of its proper divisors (29163183493176).

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

11200111200000 is an frugal number, since it uses more digits than its factorization.

11200111200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555618 (or 1555581 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11200111200000 its reverse (211100211), we get a palindrome (11200322300211).

The spelling of 11200111200000 in words is "eleven trillion, two hundred billion, one hundred eleven million, two hundred thousand".