214132021 has 8 divisors (see below), whose sum is σ = 217925784. Its totient is φ = 210347520.

The previous prime is 214132007. The next prime is 214132049. The reversal of 214132021 is 120231412.

214132021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14333796 + 199798225 = 3786^2 + 14135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 214132021 - 2⁵ = 214131989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214131986 and 214132004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214132421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57801 + ... + 61393.

It is an arithmetic number, because the mean of its divisors is an integer number (27240723).

Almost surely, 2^214132021 is an apocalyptic number.

It is an amenable number.

214132021 is a deficient number, since it is larger than the sum of its proper divisors (3793763).

214132021 is an equidigital number, since it uses as much as digits as its factorization.

214132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

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

The square root of 214132021 is about 14633.2505274802. The cubic root of 214132021 is about 598.2653798021.

Adding to 214132021 its reverse (120231412), we get a palindrome (334363433).

The spelling of 214132021 in words is "two hundred fourteen million, one hundred thirty-two thousand, twenty-one".