22112102011 has 16 divisors (see below), whose sum is σ = 23789179008. Its totient is φ = 20478182400.

The previous prime is 22112102009. The next prime is 22112102059. The reversal of 22112102011 is 11020121122.

It is a cyclic number.

It is not a de Polignac number, because 22112102011 - 2¹ = 22112102009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112101982 and 22112102000.

It is not an unprimeable number, because it can be changed into a prime (22112103011) 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, 514201 + ... + 555541.

It is an arithmetic number, because the mean of its divisors is an integer number (1486823688).

Almost surely, 2^22112102011 is an apocalyptic number.

22112102011 is a deficient number, since it is larger than the sum of its proper divisors (1677076997).

22112102011 is a wasteful number, since it uses less digits than its factorization.

22112102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41862.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22112102011 its reverse (11020121122), we get a palindrome (33132223133).

The spelling of 22112102011 in words is "twenty-two billion, one hundred twelve million, one hundred two thousand, eleven".