12141110221 has 2 divisors, whose sum is σ = 12141110222. Its totient is φ = 12141110220.

The previous prime is 12141110213. The next prime is 12141110231. The reversal of 12141110221 is 12201114121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9406866121 + 2734244100 = 96989^2 + 52290^2 .

It is a cyclic number.

It is not a de Polignac number, because 12141110221 - 2³ = 12141110213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12141110195 and 12141110204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12141110231) 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, 6070555110 + 6070555111.

It is an arithmetic number, because the mean of its divisors is an integer number (6070555111).

Almost surely, 2^12141110221 is an apocalyptic number.

It is an amenable number.

12141110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12141110221 is an equidigital number, since it uses as much as digits as its factorization.

12141110221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12141110221 its reverse (12201114121), we get a palindrome (24342224342).

The spelling of 12141110221 in words is "twelve billion, one hundred forty-one million, one hundred ten thousand, two hundred twenty-one".