11000100021200 has 30 divisors (see below), whose sum is σ = 26427740301894. Its totient is φ = 4400040008320.

The previous prime is 11000100021179. The next prime is 11000100021223. The reversal of 11000100021200 is 212000100011.

It can be written as a sum of positive squares in 3 ways, for example, as 1406510609296 + 9593589411904 = 1185964^2 + 3097352^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13750124627 + ... + 13750125426.

Almost surely, 2^{11000100021200} is an apocalyptic number.

11000100021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000100021200 is an abundant number, since it is smaller than the sum of its proper divisors (15427640280694).

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

11000100021200 is a wasteful number, since it uses less digits than its factorization.

11000100021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27500250071 (or 27500250060 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11000100021200 its reverse (212000100011), we get a palindrome (11212100121211).

The spelling of 11000100021200 in words is "eleven trillion, one hundred million, twenty-one thousand, two hundred".