4332142421221 has 4 divisors (see below), whose sum is σ = 4363308913600. Its totient is φ = 4300975928844.

The previous prime is 4332142421183. The next prime is 4332142421231. The reversal of 4332142421221 is 1221242412334.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4332142421221 - 2⁹ = 4332142420709 is a prime.

It is a super-2 number, since 2×4332142421221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4332142421231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15583245981 + ... + 15583246258.

It is an arithmetic number, because the mean of its divisors is an integer number (1090827228400).

Almost surely, 2^{4332142421221} is an apocalyptic number.

It is an amenable number.

4332142421221 is a deficient number, since it is larger than the sum of its proper divisors (31166492379).

4332142421221 is a wasteful number, since it uses less digits than its factorization.

4332142421221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31166492378.

The product of its digits is 18432, while the sum is 31.

Adding to 4332142421221 its reverse (1221242412334), we get a palindrome (5553384833555).

The spelling of 4332142421221 in words is "four trillion, three hundred thirty-two billion, one hundred forty-two million, four hundred twenty-one thousand, two hundred twenty-one".