214021213 has 4 divisors (see below), whose sum is σ = 244595680. Its totient is φ = 183446748.

The previous prime is 214021207. The next prime is 214021229. The reversal of 214021213 is 312120412.

214021213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 214021213 - 2²¹ = 211924061 is a prime.

It is a super-2 number, since 2×214021213² = 91610159227982738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214021253) 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, 15287223 + ... + 15287236.

It is an arithmetic number, because the mean of its divisors is an integer number (61148920).

Almost surely, 2^214021213 is an apocalyptic number.

It is an amenable number.

214021213 is a deficient number, since it is larger than the sum of its proper divisors (30574467).

214021213 is an equidigital number, since it uses as much as digits as its factorization.

214021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30574466.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 214021213 is about 14629.4638657744. The cubic root of 214021213 is about 598.1621661739.

Adding to 214021213 its reverse (312120412), we get a palindrome (526141625).

The spelling of 214021213 in words is "two hundred fourteen million, twenty-one thousand, two hundred thirteen".