20201111021222 has 8 divisors (see below), whose sum is σ = 31896491086200. Its totient is φ = 9568947325824.

The previous prime is 20201111021197. The next prime is 20201111021227. The reversal of 20201111021222 is 22212011110202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20201111021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20201111021227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265804092347 + ... + 265804092422.

It is an arithmetic number, because the mean of its divisors is an integer number (3987061385775).

Almost surely, 2^{20201111021222} is an apocalyptic number.

20201111021222 is a deficient number, since it is larger than the sum of its proper divisors (11695380064978).

20201111021222 is a wasteful number, since it uses less digits than its factorization.

20201111021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531608184790.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20201111021222 its reverse (22212011110202), we get a palindrome (42413122131424).

The spelling of 20201111021222 in words is "twenty trillion, two hundred one billion, one hundred eleven million, twenty-one thousand, two hundred twenty-two".