20111330001100 has 36 divisors (see below), whose sum is σ = 46998631190224. Its totient is φ = 7425721846080.

The previous prime is 20111330001071. The next prime is 20111330001143. The reversal of 20111330001100 is 110003311102.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 7735125624 + ... + 7735128223.

Almost surely, 2^{20111330001100} is an apocalyptic number.

20111330001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20111330001100 is an abundant number, since it is smaller than the sum of its proper divisors (26887301189124).

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

20111330001100 is a wasteful number, since it uses less digits than its factorization.

20111330001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15470253874 (or 15470253867 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 20111330001100 its reverse (110003311102), we get a palindrome (20221333312202).

The spelling of 20111330001100 in words is "twenty trillion, one hundred eleven billion, three hundred thirty million, one thousand, one hundred".