11122121020200 has 48 divisors (see below), whose sum is σ = 34478575164480. Its totient is φ = 2965898938560.

The previous prime is 11122121020111. The next prime is 11122121020217. The reversal of 11122121020200 is 202012122111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11122121020200.

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 11 ways as a sum of consecutive naturals, for example, 9268433584 + ... + 9268434783.

It is an arithmetic number, because the mean of its divisors is an integer number (718303649260).

Almost surely, 2^{11122121020200} is an apocalyptic number.

11122121020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122121020200 is an abundant number, since it is smaller than the sum of its proper divisors (23356454144280).

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

11122121020200 is a wasteful number, since it uses less digits than its factorization.

11122121020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18536868386 (or 18536868377 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11122121020200 its reverse (202012122111), we get a palindrome (11324133142311).

The spelling of 11122121020200 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty-one million, twenty thousand, two hundred".