214410021 has 16 divisors (see below), whose sum is σ = 337987200. Its totient is φ = 118294848.

The previous prime is 214410019. The next prime is 214410023. The reversal of 214410021 is 120014412.

214410021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (214410019) and next prime (214410023).

It is not a de Polignac number, because 214410021 - 2¹ = 214410019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214410023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175426 + ... + 176643.

It is an arithmetic number, because the mean of its divisors is an integer number (21124200).

Almost surely, 2^214410021 is an apocalyptic number.

214410021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

214410021 is a deficient number, since it is larger than the sum of its proper divisors (123577179).

214410021 is a wasteful number, since it uses less digits than its factorization.

214410021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352108.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 214410021 is about 14642.7463612534. The cubic root of 214410021 is about 598.5241700753.

Adding to 214410021 its reverse (120014412), we get a palindrome (334424433).

The spelling of 214410021 in words is "two hundred fourteen million, four hundred ten thousand, twenty-one".