214143440121 has 16 divisors (see below), whose sum is σ = 341653352320. Its totient is φ = 131780578320.

The previous prime is 214143440089. The next prime is 214143440209. The reversal of 214143440121 is 121044341412.

214143440121 is a `hidden beast` number, since 21 + 41 + 43 + 440 + 121 = 666.

It is not a de Polignac number, because 214143440121 - 2⁵ = 214143440089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (214143420121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305047285 + ... + 305047986.

It is an arithmetic number, because the mean of its divisors is an integer number (21353334520).

Almost surely, 2^214143440121 is an apocalyptic number.

It is an amenable number.

214143440121 is a deficient number, since it is larger than the sum of its proper divisors (127509912199).

214143440121 is a wasteful number, since it uses less digits than its factorization.

214143440121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610095293 (or 610095287 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 214143440121 its reverse (121044341412), we get a palindrome (335187781533).

The spelling of 214143440121 in words is "two hundred fourteen billion, one hundred forty-three million, four hundred forty thousand, one hundred twenty-one".