20112221200022 has 24 divisors (see below), whose sum is σ = 35094837110760. Its totient is φ = 8619262189440.

The previous prime is 20112221200021. The next prime is 20112221200033. The reversal of 20112221200022 is 22000212221102.

It is a happy number.

It is a super-2 number, since 2×20112221200022² (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 (20112221200021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158822 + ... + 6344262.

It is an arithmetic number, because the mean of its divisors is an integer number (1462284879615).

Almost surely, 2^{20112221200022} is an apocalyptic number.

20112221200022 is a deficient number, since it is larger than the sum of its proper divisors (14982615910738).

20112221200022 is a wasteful number, since it uses less digits than its factorization.

20112221200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218636 (or 6218629 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20112221200022 its reverse (22000212221102), we get a palindrome (42112433421124).

The spelling of 20112221200022 in words is "twenty trillion, one hundred twelve billion, two hundred twenty-one million, two hundred thousand, twenty-two".