11011100001200 has 120 divisors (see below), whose sum is σ = 28490776994400. Its totient is φ = 4065398138880.

The previous prime is 11011100001149. The next prime is 11011100001227. The reversal of 11011100001200 is 210000111011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105814796 + ... + 105918804.

It is an arithmetic number, because the mean of its divisors is an integer number (237423141620).

Almost surely, 2^{11011100001200} is an apocalyptic number.

11011100001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11011100001200 is an abundant number, since it is smaller than the sum of its proper divisors (17479676993200).

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

11011100001200 is a wasteful number, since it uses less digits than its factorization.

11011100001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124399 (or 124388 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11011100001200 its reverse (210000111011), we get a palindrome (11221100112211).

The spelling of 11011100001200 in words is "eleven trillion, eleven billion, one hundred million, one thousand, two hundred".