211222030223 has 8 divisors (see below), whose sum is σ = 211531591392. Its totient is φ = 210912551136.

The previous prime is 211222030177. The next prime is 211222030231. The reversal of 211222030223 is 322030222112.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211222030223 is a prime.

It is a super-2 number, since 2×211222030223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211222030195 and 211222030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222030273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6711761 + ... + 6743157.

It is an arithmetic number, because the mean of its divisors is an integer number (26441448924).

Almost surely, 2^211222030223 is an apocalyptic number.

211222030223 is a deficient number, since it is larger than the sum of its proper divisors (309561169).

211222030223 is an equidigital number, since it uses as much as digits as its factorization.

211222030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41041.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 211222030223 its reverse (322030222112), we get a palindrome (533252252335).

The spelling of 211222030223 in words is "two hundred eleven billion, two hundred twenty-two million, thirty thousand, two hundred twenty-three".