21100201110003 has 32 divisors (see below), whose sum is σ = 29989403338752. Its totient is φ = 13165410790400.

The previous prime is 21100201109993. The next prime is 21100201110067. The reversal of 21100201110003 is 30001110200112.

It is not a de Polignac number, because 21100201110003 - 2²⁰ = 21100200061427 is a prime.

It is a super-3 number, since 3×21100201110003³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21100201310003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11331943 + ... + 13061903.

It is an arithmetic number, because the mean of its divisors is an integer number (937168854336).

Almost surely, 2^{21100201110003} is an apocalyptic number.

21100201110003 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21100201110003 is a deficient number, since it is larger than the sum of its proper divisors (8889202228749).

21100201110003 is a wasteful number, since it uses less digits than its factorization.

21100201110003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733795.

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

Adding to 21100201110003 its reverse (30001110200112), we get a palindrome (51101311310115).

The spelling of 21100201110003 in words is "twenty-one trillion, one hundred billion, two hundred one million, one hundred ten thousand, three".