214142313141221 has 2 divisors, whose sum is σ = 214142313141222. Its totient is φ = 214142313141220.

The previous prime is 214142313141217. The next prime is 214142313141259. The reversal of 214142313141221 is 122141313241412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179074953208321 + 35067359932900 = 13381889^2 + 5921770^2 .

It is a cyclic number.

It is not a de Polignac number, because 214142313141221 - 2² = 214142313141217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214142313143221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107071156570610 + 107071156570611.

It is an arithmetic number, because the mean of its divisors is an integer number (107071156570611).

Almost surely, 2^{214142313141221} is an apocalyptic number.

It is an amenable number.

214142313141221 is a deficient number, since it is larger than the sum of its proper divisors (1).

214142313141221 is an equidigital number, since it uses as much as digits as its factorization.

214142313141221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

Adding to 214142313141221 its reverse (122141313241412), we get a palindrome (336283626382633).

The spelling of 214142313141221 in words is "two hundred fourteen trillion, one hundred forty-two billion, three hundred thirteen million, one hundred forty-one thousand, two hundred twenty-one".