10022221220221 has 8 divisors (see below), whose sum is σ = 11480419692224. Its totient is φ = 8570635894080.

The previous prime is 10022221220113. The next prime is 10022221220233. The reversal of 10022221220221 is 12202212222001.

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

It is a cyclic number.

It is not a de Polignac number, because 10022221220221 - 2¹⁵ = 10022221187453 is a prime.

It is a super-2 number, since 2×10022221220221² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022221220281) 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, 1653283215 + ... + 1653289276.

It is an arithmetic number, because the mean of its divisors is an integer number (1435052461528).

Almost surely, 2^{10022221220221} is an apocalyptic number.

It is an amenable number.

10022221220221 is a deficient number, since it is larger than the sum of its proper divisors (1458198472003).

10022221220221 is an equidigital number, since it uses as much as digits as its factorization.

10022221220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306572931.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10022221220221 its reverse (12202212222001), we get a palindrome (22224433442222).

The spelling of 10022221220221 in words is "ten trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty thousand, two hundred twenty-one".