110212023221 has 2 divisors, whose sum is σ = 110212023222. Its totient is φ = 110212023220.

The previous prime is 110212023151. The next prime is 110212023227. The reversal of 110212023221 is 122320212011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64206492100 + 46005531121 = 253390^2 + 214489^2 .

It is an emirp because it is prime and its reverse (122320212011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110212023221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110212023221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110212023227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55106011610 + 55106011611.

It is an arithmetic number, because the mean of its divisors is an integer number (55106011611).

Almost surely, 2^110212023221 is an apocalyptic number.

It is an amenable number.

110212023221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110212023221 is an equidigital number, since it uses as much as digits as its factorization.

110212023221 is an odious number, because the sum of its binary digits is odd.

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

Adding to 110212023221 its reverse (122320212011), we get a palindrome (232532235232).

The spelling of 110212023221 in words is "one hundred ten billion, two hundred twelve million, twenty-three thousand, two hundred twenty-one".