211120223 has 2 divisors, whose sum is σ = 211120224. Its totient is φ = 211120222.

The previous prime is 211120219. The next prime is 211120237. The reversal of 211120223 is 322021112.

It is a happy number.

It is an a-pointer prime, because the next prime (211120237) can be obtained adding 211120223 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211120223 - 2² = 211120219 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 211120198 and 211120207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211120213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105560111 + 105560112.

It is an arithmetic number, because the mean of its divisors is an integer number (105560112).

Almost surely, 2^211120223 is an apocalyptic number.

211120223 is a deficient number, since it is larger than the sum of its proper divisors (1).

211120223 is an equidigital number, since it uses as much as digits as its factorization.

211120223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 211120223 is about 14529.9767033537. The cubic root of 211120223 is about 595.4472291371.

Adding to 211120223 its reverse (322021112), we get a palindrome (533141335).

The spelling of 211120223 in words is "two hundred eleven million, one hundred twenty thousand, two hundred twenty-three".