11121101001200 has 60 divisors (see below), whose sum is σ = 26719731297240. Its totient is φ = 4448226266880.

The previous prime is 11121101001119. The next prime is 11121101001287. The reversal of 11121101001200 is 210010112111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7784186 + ... + 9101414.

It is an arithmetic number, because the mean of its divisors is an integer number (445328854954).

Almost surely, 2^{11121101001200} is an apocalyptic number.

11121101001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121101001200 is an abundant number, since it is smaller than the sum of its proper divisors (15598630296040).

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

11121101001200 is a wasteful number, since it uses less digits than its factorization.

11121101001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338354 (or 1338343 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11121101001200 its reverse (210010112111), we get a palindrome (11331111113311).

The spelling of 11121101001200 in words is "eleven trillion, one hundred twenty-one billion, one hundred one million, one thousand, two hundred".