211300223321 has 4 divisors (see below), whose sum is σ = 230509334544. Its totient is φ = 192091112100.

The previous prime is 211300223243. The next prime is 211300223333. The reversal of 211300223321 is 123322003112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211300223321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211300223293 and 211300223302.

It is not an unprimeable number, because it can be changed into a prime (211300223021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9604555595 + ... + 9604555616.

It is an arithmetic number, because the mean of its divisors is an integer number (57627333636).

Almost surely, 2^211300223321 is an apocalyptic number.

It is an amenable number.

211300223321 is a deficient number, since it is larger than the sum of its proper divisors (19209111223).

211300223321 is a wasteful number, since it uses less digits than its factorization.

211300223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19209111222.

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

Adding to 211300223321 its reverse (123322003112), we get a palindrome (334622226433).

The spelling of 211300223321 in words is "two hundred eleven billion, three hundred million, two hundred twenty-three thousand, three hundred twenty-one".