11111002201200 has 480 divisors, whose sum is σ = 39449609563392. Its totient is φ = 2650701824000.

The previous prime is 11111002201171. The next prime is 11111002201223. The reversal of 11111002201200 is 210220011111.

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 95 ways as a sum of consecutive naturals, for example, 281549470 + ... + 281588930.

Almost surely, 2^{11111002201200} is an apocalyptic number.

11111002201200 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 11111002201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19724804781696).

11111002201200 is an abundant number, since it is smaller than the sum of its proper divisors (28338607362192).

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

11111002201200 is a wasteful number, since it uses less digits than its factorization.

11111002201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39833 (or 39822 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11111002201200 its reverse (210220011111), we get a palindrome (11321222212311).

The spelling of 11111002201200 in words is "eleven trillion, one hundred eleven billion, two million, two hundred one thousand, two hundred".