212201110223 has 2 divisors, whose sum is σ = 212201110224. Its totient is φ = 212201110222.

The previous prime is 212201110171. The next prime is 212201110229. The reversal of 212201110223 is 322011102212.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212201110223 is a prime.

It is a super-2 number, since 2×212201110223² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212201110229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100555111 + 106100555112.

It is an arithmetic number, because the mean of its divisors is an integer number (106100555112).

Almost surely, 2^212201110223 is an apocalyptic number.

212201110223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201110223 is an equidigital number, since it uses as much as digits as its factorization.

212201110223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212201110223 its reverse (322011102212), we get a palindrome (534212212435).

The spelling of 212201110223 in words is "two hundred twelve billion, two hundred one million, one hundred ten thousand, two hundred twenty-three".