211003223321 has 96 divisors (see below), whose sum is σ = 262959022080. Its totient is φ = 167106816000.

The previous prime is 211003223317. The next prime is 211003223359. The reversal of 211003223321 is 123322300112.

It is not a de Polignac number, because 211003223321 - 2² = 211003223317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211003223293 and 211003223302.

It is not an unprimeable number, because it can be changed into a prime (211003223381) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 574940480 + ... + 574940846.

It is an arithmetic number, because the mean of its divisors is an integer number (2739156480).

Almost surely, 2^211003223321 is an apocalyptic number.

It is an amenable number.

211003223321 is a deficient number, since it is larger than the sum of its proper divisors (51955798759).

211003223321 is a wasteful number, since it uses less digits than its factorization.

211003223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211003223321 its reverse (123322300112), we get a palindrome (334325523433).

The spelling of 211003223321 in words is "two hundred eleven billion, three million, two hundred twenty-three thousand, three hundred twenty-one".