4234321120221 has 12 divisors (see below), whose sum is σ = 6146976503200. Its totient is φ = 2808695415240.

The previous prime is 4234321120199. The next prime is 4234321120231. The reversal of 4234321120221 is 1220211234324.

4234321120221 is a `hidden beast` number, since 4 + 2 + 3 + 432 + 1 + 1 + 2 + 0 + 221 = 666.

It is not a de Polignac number, because 4234321120221 - 2⁶ = 4234321120157 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 (4234321120231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1182109075 + ... + 1182112656.

Almost surely, 2^{4234321120221} is an apocalyptic number.

It is an amenable number.

4234321120221 is a deficient number, since it is larger than the sum of its proper divisors (1912655382979).

4234321120221 is a wasteful number, since it uses less digits than its factorization.

4234321120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364221936 (or 2364221933 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4234321120221 its reverse (1220211234324), we get a palindrome (5454532354545).

The spelling of 4234321120221 in words is "four trillion, two hundred thirty-four billion, three hundred twenty-one million, one hundred twenty thousand, two hundred twenty-one".