11001220120200 has 48 divisors (see below), whose sum is σ = 34103782374480. Its totient is φ = 2933658698560.

The previous prime is 11001220120147. The next prime is 11001220120217. The reversal of 11001220120200 is 202102210011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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, 9167682834 + ... + 9167684033.

It is an arithmetic number, because the mean of its divisors is an integer number (710495466135).

Almost surely, 2^{11001220120200} is an apocalyptic number.

11001220120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11001220120200 is an abundant number, since it is smaller than the sum of its proper divisors (23102562254280).

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

11001220120200 is a wasteful number, since it uses less digits than its factorization.

11001220120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18335366886 (or 18335366877 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11001220120200 its reverse (202102210011), we get a palindrome (11203322330211).

The spelling of 11001220120200 in words is "eleven trillion, one billion, two hundred twenty million, one hundred twenty thousand, two hundred".