20122111102222 has 16 divisors (see below), whose sum is σ = 30410110945152. Its totient is φ = 9985526119800.

The previous prime is 20122111102201. The next prime is 20122111102333. The reversal of 20122111102222 is 22220111122102.

It is a self number, because there is not a number n which added to its sum of digits gives 20122111102222.

It is a congruent number.

It is an unprimeable number.

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, 29326708 + ... + 30004999.

It is an arithmetic number, because the mean of its divisors is an integer number (1900631934072).

Almost surely, 2^{20122111102222} is an apocalyptic number.

20122111102222 is a deficient number, since it is larger than the sum of its proper divisors (10287999842930).

20122111102222 is a wasteful number, since it uses less digits than its factorization.

20122111102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59332983.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20122111102222 its reverse (22220111122102), we get a palindrome (42342222224324).

The spelling of 20122111102222 in words is "twenty trillion, one hundred twenty-two billion, one hundred eleven million, one hundred two thousand, two hundred twenty-two".