214301403021 has 4 divisors (see below), whose sum is σ = 285735204032. Its totient is φ = 142867602012.

The previous prime is 214301403013. The next prime is 214301403059. The reversal of 214301403021 is 120304103412.

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 not a de Polignac number, because 214301403021 - 2³ = 214301403013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214301404021) 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 3 ways as a sum of consecutive naturals, for example, 35716900501 + ... + 35716900506.

It is an arithmetic number, because the mean of its divisors is an integer number (71433801008).

Almost surely, 2^214301403021 is an apocalyptic number.

It is an amenable number.

214301403021 is a deficient number, since it is larger than the sum of its proper divisors (71433801011).

214301403021 is an equidigital number, since it uses as much as digits as its factorization.

214301403021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71433801010.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 214301403021 its reverse (120304103412), we get a palindrome (334605506433).

The spelling of 214301403021 in words is "two hundred fourteen billion, three hundred one million, four hundred three thousand, twenty-one".