10221133340440 has 32 divisors (see below), whose sum is σ = 25088236382160. Its totient is φ = 3716775760000.

The previous prime is 10221133340419. The next prime is 10221133340491. The reversal of 10221133340440 is 4404333112201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10221133340399 and 10221133340408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11614923811 + ... + 11614924690.

Almost surely, 2^{10221133340440} is an apocalyptic number.

10221133340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10221133340440 is an abundant number, since it is smaller than the sum of its proper divisors (14867103041720).

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

10221133340440 is a wasteful number, since it uses less digits than its factorization.

10221133340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23229848523 (or 23229848519 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 10221133340440 its reverse (4404333112201), we get a palindrome (14625466452641).

The spelling of 10221133340440 in words is "ten trillion, two hundred twenty-one billion, one hundred thirty-three million, three hundred forty thousand, four hundred forty".