10221010221 has 16 divisors (see below), whose sum is σ = 13768374528. Its totient is φ = 6743880000.

The previous prime is 10221010213. The next prime is 10221010223. The reversal of 10221010221 is 12201012201.

10221010221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10221010221 - 2³ = 10221010213 is a prime.

It is a super-3 number, since 3×10221010221³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10221010197 and 10221010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221010223) 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, 1027371 + ... + 1037271.

It is an arithmetic number, because the mean of its divisors is an integer number (860523408).

Almost surely, 2^10221010221 is an apocalyptic number.

It is an amenable number.

10221010221 is a deficient number, since it is larger than the sum of its proper divisors (3547364307).

10221010221 is a wasteful number, since it uses less digits than its factorization.

10221010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13412.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10221010221 its reverse (12201012201), we get a palindrome (22422022422).

The spelling of 10221010221 in words is "ten billion, two hundred twenty-one million, ten thousand, two hundred twenty-one".