214200422211221 has 4 divisors (see below), whose sum is σ = 214200451504332. Its totient is φ = 214200392918112.

The previous prime is 214200422211203. The next prime is 214200422211239. The reversal of 214200422211221 is 122112224002412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (214200422211203) and next prime (214200422211239).

It can be written as a sum of positive squares in 2 ways, for example, as 187024907247025 + 27175514964196 = 13675705^2 + 5213014^2 .

It is a cyclic number.

It is not a de Polignac number, because 214200422211221 - 2³⁰ = 214199348469397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214200422211271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6473225 + ... + 21686481.

It is an arithmetic number, because the mean of its divisors is an integer number (53550112876083).

Almost surely, 2^{214200422211221} is an apocalyptic number.

It is an amenable number.

214200422211221 is a deficient number, since it is larger than the sum of its proper divisors (29293111).

214200422211221 is a wasteful number, since it uses less digits than its factorization.

214200422211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29293110.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 214200422211221 its reverse (122112224002412), we get a palindrome (336312646213633).

The spelling of 214200422211221 in words is "two hundred fourteen trillion, two hundred billion, four hundred twenty-two million, two hundred eleven thousand, two hundred twenty-one".