22101222111011 has 32 divisors (see below), whose sum is σ = 24875252928000. Its totient is φ = 19512682624512.

The previous prime is 22101222110963. The next prime is 22101222111029. The reversal of 22101222111011 is 11011122210122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22101222111011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101222111911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71352170 + ... + 71661248.

It is an arithmetic number, because the mean of its divisors is an integer number (777351654000).

Almost surely, 2^{22101222111011} is an apocalyptic number.

22101222111011 is a deficient number, since it is larger than the sum of its proper divisors (2774030816989).

22101222111011 is a wasteful number, since it uses less digits than its factorization.

22101222111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311291.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22101222111011 its reverse (11011122210122), we get a palindrome (33112344321133).

The spelling of 22101222111011 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-two million, one hundred eleven thousand, eleven".