11021211111200 has 72 divisors (see below), whose sum is σ = 26918577600768. Its totient is φ = 4406346855680.

The previous prime is 11021211111181. The next prime is 11021211111203. The reversal of 11021211111200 is 211111212011.

It is not an unprimeable number, because it can be changed into a prime (11021211111203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1688552 + ... + 4989351.

It is an arithmetic number, because the mean of its divisors is an integer number (373869133344).

Almost surely, 2^{11021211111200} is an apocalyptic number.

11021211111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021211111200 is an abundant number, since it is smaller than the sum of its proper divisors (15897366489568).

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

11021211111200 is a wasteful number, since it uses less digits than its factorization.

11021211111200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679986 (or 6679973 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11021211111200 its reverse (211111212011), we get a palindrome (11232322323211).

The spelling of 11021211111200 in words is "eleven trillion, twenty-one billion, two hundred eleven million, one hundred eleven thousand, two hundred".