22111011221011 has 16 divisors (see below), whose sum is σ = 24534405140544. Its totient is φ = 19820133397504.

The previous prime is 22111011220927. The next prime is 22111011221041. The reversal of 22111011221011 is 11012211011122.

It is a cyclic number.

It is not a de Polignac number, because 22111011221011 - 2²⁵ = 22110977666579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111011221041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121260616 + ... + 121442821.

It is an arithmetic number, because the mean of its divisors is an integer number (1533400321284).

Almost surely, 2^{22111011221011} is an apocalyptic number.

22111011221011 is a deficient number, since it is larger than the sum of its proper divisors (2423393919533).

22111011221011 is a wasteful number, since it uses less digits than its factorization.

22111011221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242703710.

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

Adding to 22111011221011 its reverse (11012211011122), we get a palindrome (33123222232133).

The spelling of 22111011221011 in words is "twenty-two trillion, one hundred eleven billion, eleven million, two hundred twenty-one thousand, eleven".