214043321221 has 8 divisors (see below), whose sum is σ = 226440968000. Its totient is φ = 201758895360.

The previous prime is 214043321147. The next prime is 214043321287. The reversal of 214043321221 is 122123340412.

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

It is a cyclic number.

It is not a de Polignac number, because 214043321221 - 2⁹ = 214043320709 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 (214043321291) 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, 28301340 + ... + 28308901.

It is an arithmetic number, because the mean of its divisors is an integer number (28305121000).

Almost surely, 2^214043321221 is an apocalyptic number.

It is an amenable number.

214043321221 is a deficient number, since it is larger than the sum of its proper divisors (12397646779).

214043321221 is a wasteful number, since it uses less digits than its factorization.

214043321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56610459.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 214043321221 its reverse (122123340412), we get a palindrome (336166661633).

The spelling of 214043321221 in words is "two hundred fourteen billion, forty-three million, three hundred twenty-one thousand, two hundred twenty-one".