14215032021 has 4 divisors (see below), whose sum is σ = 18953376032. Its totient is φ = 9476688012.

The previous prime is 14215031969. The next prime is 14215032023. The reversal of 14215032021 is 12023051241.

14215032021 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 not a de Polignac number, because 14215032021 - 2¹¹ = 14215029973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14215032023) 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, 2369172001 + ... + 2369172006.

It is an arithmetic number, because the mean of its divisors is an integer number (4738344008).

Almost surely, 2^14215032021 is an apocalyptic number.

It is an amenable number.

14215032021 is a deficient number, since it is larger than the sum of its proper divisors (4738344011).

14215032021 is an equidigital number, since it uses as much as digits as its factorization.

14215032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738344010.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 14215032021 its reverse (12023051241), we get a palindrome (26238083262).

The spelling of 14215032021 in words is "fourteen billion, two hundred fifteen million, thirty-two thousand, twenty-one".