20222211110111 has 6 divisors (see below), whose sum is σ = 20267962682520. Its totient is φ = 20176562582228.

The previous prime is 20222211110053. The next prime is 20222211110147. The reversal of 20222211110111 is 11101111222202.

It is a de Polignac number, because none of the positive numbers 2^k-20222211110111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20222211110111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222211118111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51325571 + ... + 51718068.

It is an arithmetic number, because the mean of its divisors is an integer number (3377993780420).

Almost surely, 2^{20222211110111} is an apocalyptic number.

20222211110111 is a deficient number, since it is larger than the sum of its proper divisors (45751572409).

20222211110111 is an frugal number, since it uses more digits than its factorization.

20222211110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103044525 (or 103044082 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 20222211110111 its reverse (11101111222202), we get a palindrome (31323322332313).

The spelling of 20222211110111 in words is "twenty trillion, two hundred twenty-two billion, two hundred eleven million, one hundred ten thousand, one hundred eleven".