10221343444444 has 54 divisors (see below), whose sum is σ = 20885882919440. Its totient is φ = 4372767189120.

The previous prime is 10221343444423. The next prime is 10221343444451. The reversal of 10221343444444 is 44444434312201.

It is a super-2 number, since 2×10221343444444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221343444397 and 10221343444406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36397284 + ... + 36677035.

Almost surely, 2^{10221343444444} is an apocalyptic number.

It is an amenable number.

10221343444444 is an abundant number, since it is smaller than the sum of its proper divisors (10664539474996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221343444444 is a wasteful number, since it uses less digits than its factorization.

10221343444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73074379 (or 73074349 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 10221343444444 its reverse (44444434312201), we get a palindrome (54665777756645).

The spelling of 10221343444444 in words is "ten trillion, two hundred twenty-one billion, three hundred forty-three million, four hundred forty-four thousand, four hundred forty-four".