20222122012210 has 16 divisors (see below), whose sum is σ = 36435056639256. Its totient is φ = 8081018356608.

The previous prime is 20222122012193. The next prime is 20222122012219. The reversal of 20222122012210 is 1221022122202.

It can be written as a sum of positive squares in 4 ways, for example, as 19412386590601 + 809735421609 = 4405949^2 + 899853^2 .

It is not an unprimeable number, because it can be changed into a prime (20222122012219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978795189 + ... + 978815848.

Almost surely, 2^{20222122012210} is an apocalyptic number.

20222122012210 is a deficient number, since it is larger than the sum of its proper divisors (16212934627046).

20222122012210 is a wasteful number, since it uses less digits than its factorization.

20222122012210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957612077.

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

Adding to 20222122012210 its reverse (1221022122202), we get a palindrome (21443144134412).

The spelling of 20222122012210 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty-two million, twelve thousand, two hundred ten".