22211111211011 has 4 divisors (see below), whose sum is σ = 22242002882400. Its totient is φ = 22180219539624.

The previous prime is 22211111210999. The next prime is 22211111211031. The reversal of 22211111211011 is 11011211111222.

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 22211111211011 - 2⁶ = 22211111210947 is a prime.

It is a super-2 number, since 2×22211111211011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22211111211031) 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, 15445834616 + ... + 15445836053.

It is an arithmetic number, because the mean of its divisors is an integer number (5560500720600).

Almost surely, 2^{22211111211011} is an apocalyptic number.

22211111211011 is a deficient number, since it is larger than the sum of its proper divisors (30891671389).

22211111211011 is an equidigital number, since it uses as much as digits as its factorization.

22211111211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30891671388.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 22211111211011 its reverse (11011211111222), we get a palindrome (33222322322233).

The spelling of 22211111211011 in words is "twenty-two trillion, two hundred eleven billion, one hundred eleven million, two hundred eleven thousand, eleven".