10043420221 has 8 divisors (see below), whose sum is σ = 10085933088. Its totient is φ = 10000998000.

The previous prime is 10043420209. The next prime is 10043420239. The reversal of 10043420221 is 12202434001.

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 10043420221 - 2²¹ = 10041323069 is a prime.

It is a super-3 number, since 3×10043420221³ (a number of 31 digits) contains 333 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 (10043420201) 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, 204166 + ... + 248536.

It is an arithmetic number, because the mean of its divisors is an integer number (1260741636).

Almost surely, 2^10043420221 is an apocalyptic number.

It is an amenable number.

10043420221 is a deficient number, since it is larger than the sum of its proper divisors (42512867).

10043420221 is an equidigital number, since it uses as much as digits as its factorization.

10043420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45323.

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

Adding to 10043420221 its reverse (12202434001), we get a palindrome (22245854222).

The spelling of 10043420221 in words is "ten billion, forty-three million, four hundred twenty thousand, two hundred twenty-one".