20222112122 has 16 divisors (see below), whose sum is σ = 30500465760. Its totient is φ = 10055425392.

The previous prime is 20222112121. The next prime is 20222112149. The reversal of 20222112122 is 22121122202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222112122.

It is not an unprimeable number, because it can be changed into a prime (20222112121) 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, 269513 + ... + 336275.

It is an arithmetic number, because the mean of its divisors is an integer number (1906279110).

Almost surely, 2^20222112122 is an apocalyptic number.

20222112122 is a deficient number, since it is larger than the sum of its proper divisors (10278353638).

20222112122 is a wasteful number, since it uses less digits than its factorization.

20222112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67597.

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

Adding to 20222112122 its reverse (22121122202), we get a palindrome (42343234324).

The spelling of 20222112122 in words is "twenty billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty-two".