214313040221 has 4 divisors (see below), whose sum is σ = 244929188832. Its totient is φ = 183696891612.

The previous prime is 214313040203. The next prime is 214313040251. The reversal of 214313040221 is 122040313412.

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 a de Polignac number, because none of the positive numbers 2^k-214313040221 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 (214313040251) 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, 15308074295 + ... + 15308074308.

It is an arithmetic number, because the mean of its divisors is an integer number (61232297208).

Almost surely, 2^214313040221 is an apocalyptic number.

It is an amenable number.

214313040221 is a deficient number, since it is larger than the sum of its proper divisors (30616148611).

214313040221 is an equidigital number, since it uses as much as digits as its factorization.

214313040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30616148610.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 214313040221 its reverse (122040313412), we get a palindrome (336353353633).

The spelling of 214313040221 in words is "two hundred fourteen billion, three hundred thirteen million, forty thousand, two hundred twenty-one".