22112100111 has 32 divisors (see below), whose sum is σ = 30998246400. Its totient is φ = 13993785344.

The previous prime is 22112100091. The next prime is 22112100121. The reversal of 22112100111 is 11100121122.

It is a cyclic number.

It is not a de Polignac number, because 22112100111 - 2¹⁵ = 22112067343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112100121) 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 31 ways as a sum of consecutive naturals, for example, 6101446 + ... + 6105068.

It is an arithmetic number, because the mean of its divisors is an integer number (968695200).

Almost surely, 2^22112100111 is an apocalyptic number.

22112100111 is a deficient number, since it is larger than the sum of its proper divisors (8886146289).

22112100111 is a wasteful number, since it uses less digits than its factorization.

22112100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22112100111 its reverse (11100121122), we get a palindrome (33212221233).

The spelling of 22112100111 in words is "twenty-two billion, one hundred twelve million, one hundred thousand, one hundred eleven".