4432100020021 has 4 divisors (see below), whose sum is σ = 4488202552000. Its totient is φ = 4375997488044.

The previous prime is 4432100019937. The next prime is 4432100020039. The reversal of 4432100020021 is 1200200012344.

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 4432100020021 - 2¹⁷ = 4432099888949 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 (4432100060021) 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, 28051265871 + ... + 28051266028.

It is an arithmetic number, because the mean of its divisors is an integer number (1122050638000).

Almost surely, 2^{4432100020021} is an apocalyptic number.

It is an amenable number.

4432100020021 is a deficient number, since it is larger than the sum of its proper divisors (56102531979).

4432100020021 is an equidigital number, since it uses as much as digits as its factorization.

4432100020021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56102531978.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 4432100020021 its reverse (1200200012344), we get a palindrome (5632300032365).

The spelling of 4432100020021 in words is "four trillion, four hundred thirty-two billion, one hundred million, twenty thousand, twenty-one".