11100200000021 has 16 divisors (see below), whose sum is σ = 12391148774400. Its totient is φ = 9856233137520.

The previous prime is 11100200000003. The next prime is 11100200000053. The reversal of 11100200000021 is 12000000200111.

11100200000021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11100200000021 - 2¹⁰ = 11100199998997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11100199999954 and 11100200000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100200000821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30004430 + ... + 30372128.

It is an arithmetic number, because the mean of its divisors is an integer number (774446798400).

Almost surely, 2^{11100200000021} is an apocalyptic number.

11100200000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11100200000021 is a deficient number, since it is larger than the sum of its proper divisors (1290948774379).

11100200000021 is a wasteful number, since it uses less digits than its factorization.

11100200000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431576.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11100200000021 its reverse (12000000200111), we get a palindrome (23100200200132).

The spelling of 11100200000021 in words is "eleven trillion, one hundred billion, two hundred million, twenty-one", and thus it is an aban number.