10443412221 has 16 divisors (see below), whose sum is σ = 15340822848. Its totient is φ = 6266672000.

The previous prime is 10443412207. The next prime is 10443412247. The reversal of 10443412221 is 12221434401.

It is a cyclic number.

It is not a de Polignac number, because 10443412221 - 2⁶ = 10443412157 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10443412191 and 10443412200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10443412271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1563336 + ... + 1570001.

It is an arithmetic number, because the mean of its divisors is an integer number (958801428).

Almost surely, 2^10443412221 is an apocalyptic number.

10443412221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10443412221 is a deficient number, since it is larger than the sum of its proper divisors (4897410627).

10443412221 is a wasteful number, since it uses less digits than its factorization.

10443412221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133452.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 10443412221 its reverse (12221434401), we get a palindrome (22664846622).

The spelling of 10443412221 in words is "ten billion, four hundred forty-three million, four hundred twelve thousand, two hundred twenty-one".