4320141221021 has 8 divisors (see below), whose sum is σ = 4381068803904. Its totient is φ = 4259215875040.

The previous prime is 4320141220949. The next prime is 4320141221047. The reversal of 4320141221021 is 1201221410234.

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 4320141221021 - 2¹⁸ = 4320140958877 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 (4320141226021) 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, 3541121 + ... + 4602153.

It is an arithmetic number, because the mean of its divisors is an integer number (547633600488).

Almost surely, 2^{4320141221021} is an apocalyptic number.

It is an amenable number.

4320141221021 is a deficient number, since it is larger than the sum of its proper divisors (60927582883).

4320141221021 is a wasteful number, since it uses less digits than its factorization.

4320141221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118451.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 4320141221021 its reverse (1201221410234), we get a palindrome (5521362631255).

The spelling of 4320141221021 in words is "four trillion, three hundred twenty billion, one hundred forty-one million, two hundred twenty-one thousand, twenty-one".