10221011012208 has 40 divisors (see below), whose sum is σ = 26407471094928. Its totient is φ = 3406591716352.

The previous prime is 10221011012207. The next prime is 10221011012237. The reversal of 10221011012208 is 80221011012201.

It is a super-3 number, since 3×10221011012208³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221011012207) 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, 12472335 + ... + 13266542.

Almost surely, 2^{10221011012208} is an apocalyptic number.

It is an amenable number.

10221011012208 is an abundant number, since it is smaller than the sum of its proper divisors (16186460082720).

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

10221011012208 is a wasteful number, since it uses less digits than its factorization.

10221011012208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25747161 (or 25747155 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 10221011012208 its reverse (80221011012201), we get a palindrome (90442022024409).

The spelling of 10221011012208 in words is "ten trillion, two hundred twenty-one billion, eleven million, twelve thousand, two hundred eight".