214121213 has 4 divisors (see below), whose sum is σ = 217317120. Its totient is φ = 210925308.

The previous prime is 214121197. The next prime is 214121233. The reversal of 214121213 is 312121412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214121213 - 2⁴ = 214121197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214121191 and 214121200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214121233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597853 + ... + 1597986.

It is an arithmetic number, because the mean of its divisors is an integer number (54329280).

Almost surely, 2^214121213 is an apocalyptic number.

It is an amenable number.

214121213 is a deficient number, since it is larger than the sum of its proper divisors (3195907).

214121213 is an equidigital number, since it uses as much as digits as its factorization.

214121213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195906.

The product of its digits is 96, while the sum is 17.

The square root of 214121213 is about 14632.8812268808. The cubic root of 214121213 is about 598.2553141100.

Adding to 214121213 its reverse (312121412), we get a palindrome (526242625).

The spelling of 214121213 in words is "two hundred fourteen million, one hundred twenty-one thousand, two hundred thirteen".