201214341221 has 2 divisors, whose sum is σ = 201214341222. Its totient is φ = 201214341220.

The previous prime is 201214341187. The next prime is 201214341227. The reversal of 201214341221 is 122143412102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200803468321 + 410872900 = 448111^2 + 20270^2 .

It is a cyclic number.

It is not a de Polignac number, because 201214341221 - 2³⁰ = 200140599397 is a prime.

It is a super-2 number, since 2×201214341221² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201214341227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100607170610 + 100607170611.

It is an arithmetic number, because the mean of its divisors is an integer number (100607170611).

Almost surely, 2^201214341221 is an apocalyptic number.

It is an amenable number.

201214341221 is a deficient number, since it is larger than the sum of its proper divisors (1).

201214341221 is an equidigital number, since it uses as much as digits as its factorization.

201214341221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 201214341221 its reverse (122143412102), we get a palindrome (323357753323).

The spelling of 201214341221 in words is "two hundred one billion, two hundred fourteen million, three hundred forty-one thousand, two hundred twenty-one".