22110111011 has 4 divisors (see below), whose sum is σ = 22121184672. Its totient is φ = 22099037352.

The previous prime is 22110110999. The next prime is 22110111013. The reversal of 22110111011 is 11011101122.

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 22110111011 - 2¹⁴ = 22110094627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110110983 and 22110111001.

It is not an unprimeable number, because it can be changed into a prime (22110111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5533835 + ... + 5537828.

It is an arithmetic number, because the mean of its divisors is an integer number (5530296168).

Almost surely, 2^22110111011 is an apocalyptic number.

22110111011 is a deficient number, since it is larger than the sum of its proper divisors (11073661).

22110111011 is a wasteful number, since it uses less digits than its factorization.

22110111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11073660.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 22110111011 its reverse (11011101122), we get a palindrome (33121212133).

It can be divided in two parts, 22 and 110111011, that multiplied together give a palindrome (2422442242).

The spelling of 22110111011 in words is "twenty-two billion, one hundred ten million, one hundred eleven thousand, eleven".