214303512121 has 2 divisors, whose sum is σ = 214303512122. Its totient is φ = 214303512120.

The previous prime is 214303512109. The next prime is 214303512127. The reversal of 214303512121 is 121215303412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151196545600 + 63106966521 = 388840^2 + 251211^2 .

It is a cyclic number.

It is not a de Polignac number, because 214303512121 - 2³⁷ = 76864558649 is a prime.

It is not a weakly prime, because it can be changed into another prime (214303512127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107151756060 + 107151756061.

It is an arithmetic number, because the mean of its divisors is an integer number (107151756061).

Almost surely, 2^214303512121 is an apocalyptic number.

It is an amenable number.

214303512121 is a deficient number, since it is larger than the sum of its proper divisors (1).

214303512121 is an equidigital number, since it uses as much as digits as its factorization.

214303512121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 214303512121 its reverse (121215303412), we get a palindrome (335518815533).

The spelling of 214303512121 in words is "two hundred fourteen billion, three hundred three million, five hundred twelve thousand, one hundred twenty-one".