21100200011101 has 8 divisors (see below), whose sum is σ = 21621998764800. Its totient is φ = 20578742196960.

The previous prime is 21100200011081. The next prime is 21100200011119. The reversal of 21100200011101 is 10111000200112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21100200011101 - 2⁷ = 21100200010973 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 (21100200011131) 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 7 ways as a sum of consecutive naturals, for example, 85109581 + ... + 85357138.

It is an arithmetic number, because the mean of its divisors is an integer number (2702749845600).

Almost surely, 2^{21100200011101} is an apocalyptic number.

It is an amenable number.

21100200011101 is a deficient number, since it is larger than the sum of its proper divisors (521798753699).

21100200011101 is a wasteful number, since it uses less digits than its factorization.

21100200011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170469779.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 21100200011101 its reverse (10111000200112), we get a palindrome (31211200211213).

It can be divided in two parts, 21100200011 and 101, that added together give a palindrome (21100200112).

The spelling of 21100200011101 in words is "twenty-one trillion, one hundred billion, two hundred million, eleven thousand, one hundred one".