20122222111101 has 24 divisors (see below), whose sum is σ = 32801114417760. Its totient is φ = 11774759018400.

The previous prime is 20122222111081. The next prime is 20122222111133. The reversal of 20122222111101 is 10111122222102.

20122222111101 is a `hidden beast` number, since 201 + 222 + 221 + 11 + 10 + 1 = 666.

It is not a de Polignac number, because 20122222111101 - 2¹⁵ = 20122222078333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122222111501) 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 23 ways as a sum of consecutive naturals, for example, 3504389695 + ... + 3504395436.

It is an arithmetic number, because the mean of its divisors is an integer number (1366713100740).

Almost surely, 2^{20122222111101} is an apocalyptic number.

It is an amenable number.

20122222111101 is a deficient number, since it is larger than the sum of its proper divisors (12678892306659).

20122222111101 is a wasteful number, since it uses less digits than its factorization.

20122222111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008785177 (or 7008785174 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 20122222111101 its reverse (10111122222102), we get a palindrome (30233344333203).

The spelling of 20122222111101 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, one hundred one".