22011122112111 has 16 divisors (see below), whose sum is σ = 35573530686720. Its totient is φ = 13340074007160.

The previous prime is 22011122112047. The next prime is 22011122112131. The reversal of 22011122112111 is 11121122111022.

It is a happy number.

22011122112111 is a `hidden beast` number, since 220 + 1 + 11 + 221 + 1 + 211 + 1 = 666.

It is not a de Polignac number, because 22011122112111 - 2⁶ = 22011122112047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011122112131) 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 15 ways as a sum of consecutive naturals, for example, 37055760835 + ... + 37055761428.

It is an arithmetic number, because the mean of its divisors is an integer number (2223345667920).

Almost surely, 2^{22011122112111} is an apocalyptic number.

22011122112111 is a deficient number, since it is larger than the sum of its proper divisors (13562408574609).

22011122112111 is a wasteful number, since it uses less digits than its factorization.

22011122112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74111522283 (or 74111522277 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 22011122112111 its reverse (11121122111022), we get a palindrome (33132244223133).

The spelling of 22011122112111 in words is "twenty-two trillion, eleven billion, one hundred twenty-two million, one hundred twelve thousand, one hundred eleven".