21100223211003 has 48 divisors (see below), whose sum is σ = 32107730054400. Its totient is φ = 13315860492480.

The previous prime is 21100223210993. The next prime is 21100223211007. The reversal of 21100223211003 is 30011232200112.

It is not a de Polignac number, because 21100223211003 - 2²⁹ = 21099686340091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21100223211007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1964816608 + ... + 1964827346.

It is an arithmetic number, because the mean of its divisors is an integer number (668911042800).

Almost surely, 2^{21100223211003} is an apocalyptic number.

21100223211003 is a deficient number, since it is larger than the sum of its proper divisors (11007506843397).

21100223211003 is a wasteful number, since it uses less digits than its factorization.

21100223211003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18832 (or 18829 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21100223211003 its reverse (30011232200112), we get a palindrome (51111455411115).

The spelling of 21100223211003 in words is "twenty-one trillion, one hundred billion, two hundred twenty-three million, two hundred eleven thousand, three".