110212123321 has 2 divisors, whose sum is σ = 110212123322. Its totient is φ = 110212123320.

The previous prime is 110212123297. The next prime is 110212123361. The reversal of 110212123321 is 123321212011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86792106025 + 23420017296 = 294605^2 + 153036^2 .

It is a cyclic number.

It is not a de Polignac number, because 110212123321 - 2²¹ = 110210026169 is a prime.

It is not a weakly prime, because it can be changed into another prime (110212123361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55106061660 + 55106061661.

It is an arithmetic number, because the mean of its divisors is an integer number (55106061661).

Almost surely, 2^110212123321 is an apocalyptic number.

It is an amenable number.

110212123321 is a deficient number, since it is larger than the sum of its proper divisors (1).

110212123321 is an equidigital number, since it uses as much as digits as its factorization.

110212123321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 110212123321 its reverse (123321212011), we get a palindrome (233533335332).

The spelling of 110212123321 in words is "one hundred ten billion, two hundred twelve million, one hundred twenty-three thousand, three hundred twenty-one".