10221002232221 has 8 divisors (see below), whose sum is σ = 11218590293664. Its totient is φ = 9234815177520.

The previous prime is 10221002232179. The next prime is 10221002232253. The reversal of 10221002232221 is 12223220012201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221002232221 is a prime.

It is a super-3 number, since 3×10221002232221³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221002232193 and 10221002232202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221002232281) 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, 2850249806 + ... + 2850253391.

It is an arithmetic number, because the mean of its divisors is an integer number (1402323786708).

Almost surely, 2^{10221002232221} is an apocalyptic number.

10221002232221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221002232221 is a deficient number, since it is larger than the sum of its proper divisors (997588061443).

10221002232221 is a wasteful number, since it uses less digits than its factorization.

10221002232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700503371.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 10221002232221 its reverse (12223220012201), we get a palindrome (22444222244422).

The spelling of 10221002232221 in words is "ten trillion, two hundred twenty-one billion, two million, two hundred thirty-two thousand, two hundred twenty-one".