10221122312266 has 16 divisors (see below), whose sum is σ = 15348195122400. Its totient is φ = 5105058231568.

The previous prime is 10221122312257. The next prime is 10221122312267. The reversal of 10221122312266 is 66221322112201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10221122312267) 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, 21590781 + ... + 22059103.

It is an arithmetic number, because the mean of its divisors is an integer number (959262195150).

Almost surely, 2^{10221122312266} is an apocalyptic number.

10221122312266 is a deficient number, since it is larger than the sum of its proper divisors (5127072810134).

10221122312266 is a wasteful number, since it uses less digits than its factorization.

10221122312266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480053.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 10221122312266 its reverse (66221322112201), we get a palindrome (76442444424467).

The spelling of 10221122312266 in words is "ten trillion, two hundred twenty-one billion, one hundred twenty-two million, three hundred twelve thousand, two hundred sixty-six".