1100113200021 has 16 divisors (see below), whose sum is σ = 1609104130560. Its totient is φ = 663010491120.

The previous prime is 1100113199989. The next prime is 1100113200091. The reversal of 1100113200021 is 1200023110011.

It is not a de Polignac number, because 1100113200021 - 2⁵ = 1100113199989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100113200091) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 93113545 + ... + 93125358.

It is an arithmetic number, because the mean of its divisors is an integer number (100569008160).

Almost surely, 2^{1100113200021} is an apocalyptic number.

1100113200021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100113200021 is a deficient number, since it is larger than the sum of its proper divisors (508990930539).

1100113200021 is a wasteful number, since it uses less digits than its factorization.

1100113200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186239096.

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

Adding to 1100113200021 its reverse (1200023110011), we get a palindrome (2300136310032).

The spelling of 1100113200021 in words is "one trillion, one hundred billion, one hundred thirteen million, two hundred thousand, twenty-one".