11100000021101 has 4 divisors (see below), whose sum is σ = 11100033638652. Its totient is φ = 11099966403552.

The previous prime is 11100000021091. The next prime is 11100000021193. The reversal of 11100000021101 is 10112000000111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8209571605225 + 2890428415876 = 2865235^2 + 1700126^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100000021101 - 2¹⁸ = 11099999758957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100000021701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16308536 + ... + 16975521.

It is an arithmetic number, because the mean of its divisors is an integer number (2775008409663).

Almost surely, 2^{11100000021101} is an apocalyptic number.

It is an amenable number.

11100000021101 is a deficient number, since it is larger than the sum of its proper divisors (33617551).

11100000021101 is an equidigital number, since it uses as much as digits as its factorization.

11100000021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33617550.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11100000021101 its reverse (10112000000111), we get a palindrome (21212000021212).

The spelling of 11100000021101 in words is "eleven trillion, one hundred billion, twenty-one thousand, one hundred one".