214142313143221 has 2 divisors, whose sum is σ = 214142313143222. Its totient is φ = 214142313143220.

The previous prime is 214142313143203. The next prime is 214142313143243. The reversal of 214142313143221 is 122341313241412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120205239354225 + 93937073788996 = 10963815^2 + 9692114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214142313143221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214142313143621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107071156571610 + 107071156571611.

It is an arithmetic number, because the mean of its divisors is an integer number (107071156571611).

Almost surely, 2^{214142313143221} is an apocalyptic number.

It is an amenable number.

214142313143221 is a deficient number, since it is larger than the sum of its proper divisors (1).

214142313143221 is an equidigital number, since it uses as much as digits as its factorization.

214142313143221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

Adding to 214142313143221 its reverse (122341313241412), we get a palindrome (336483626384633).

The spelling of 214142313143221 in words is "two hundred fourteen trillion, one hundred forty-two billion, three hundred thirteen million, one hundred forty-three thousand, two hundred twenty-one".