4104321221 has 16 divisors (see below), whose sum is σ = 5510698368. Its totient is φ = 2952158400.

The previous prime is 4104321191. The next prime is 4104321223. The reversal of 4104321221 is 1221234014.

It is a cyclic number.

It is not a de Polignac number, because 4104321221 - 2²⁶ = 4037212357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4104321193 and 4104321202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4104321223) 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 15 ways as a sum of consecutive naturals, for example, 2049110 + ... + 2051111.

It is an arithmetic number, because the mean of its divisors is an integer number (344418648).

Almost surely, 2^4104321221 is an apocalyptic number.

It is an amenable number.

4104321221 is a deficient number, since it is larger than the sum of its proper divisors (1406377147).

4104321221 is a wasteful number, since it uses less digits than its factorization.

4104321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100252.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4104321221 is about 64064.9765550570. The cubic root of 4104321221 is about 1601.0827594224.

Adding to 4104321221 its reverse (1221234014), we get a palindrome (5325555235).

The spelling of 4104321221 in words is "four billion, one hundred four million, three hundred twenty-one thousand, two hundred twenty-one".