20222202101111 has 4 divisors (see below), whose sum is σ = 20239771348224. Its totient is φ = 20204632854000.

The previous prime is 20222202101077. The next prime is 20222202101149. The reversal of 20222202101111 is 11110120222202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20222202101111 - 2³⁰ = 20221128359287 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 20222202101111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20222202101611) 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, 8784621830 + ... + 8784624131.

It is an arithmetic number, because the mean of its divisors is an integer number (5059942837056).

Almost surely, 2^{20222202101111} is an apocalyptic number.

20222202101111 is a deficient number, since it is larger than the sum of its proper divisors (17569247113).

20222202101111 is a wasteful number, since it uses less digits than its factorization.

20222202101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17569247112.

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

Adding to 20222202101111 its reverse (11110120222202), we get a palindrome (31332322323313).

The spelling of 20222202101111 in words is "twenty trillion, two hundred twenty-two billion, two hundred two million, one hundred one thousand, one hundred eleven".