4351121201321 has 8 divisors (see below), whose sum is σ = 4470938989440. Its totient is φ = 4232150182512.

The previous prime is 4351121201293. The next prime is 4351121201369. The reversal of 4351121201321 is 1231021211534.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4351121201321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4351121201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211681910 + ... + 211702463.

It is an arithmetic number, because the mean of its divisors is an integer number (558867373680).

Almost surely, 2^{4351121201321} is an apocalyptic number.

It is an amenable number.

4351121201321 is a deficient number, since it is larger than the sum of its proper divisors (119817788119).

4351121201321 is a wasteful number, since it uses less digits than its factorization.

4351121201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423384655.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 4351121201321 its reverse (1231021211534), we get a palindrome (5582142412855).

The spelling of 4351121201321 in words is "four trillion, three hundred fifty-one billion, one hundred twenty-one million, two hundred one thousand, three hundred twenty-one".