22111012211011 has 4 divisors (see below), whose sum is σ = 22111024959072. Its totient is φ = 22110999462952.

The previous prime is 22111012211003. The next prime is 22111012211027. The reversal of 22111012211011 is 11011221011122.

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 22111012211011 - 2³ = 22111012211003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111012211111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3267736 + ... + 7409461.

It is an arithmetic number, because the mean of its divisors is an integer number (5527756239768).

Almost surely, 2^{22111012211011} is an apocalyptic number.

22111012211011 is a deficient number, since it is larger than the sum of its proper divisors (12748061).

22111012211011 is a wasteful number, since it uses less digits than its factorization.

22111012211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748060.

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

Adding to 22111012211011 its reverse (11011221011122), we get a palindrome (33122233222133).

The spelling of 22111012211011 in words is "twenty-two trillion, one hundred eleven billion, twelve million, two hundred eleven thousand, eleven".