22112211101011 has 4 divisors (see below), whose sum is σ = 22474706365024. Its totient is φ = 21749715837000.

The previous prime is 22112211101009. The next prime is 22112211101027. The reversal of 22112211101011 is 11010111221122.

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 22112211101011 - 2¹ = 22112211101009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112211101051) 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 3 ways as a sum of consecutive naturals, for example, 181247631915 + ... + 181247632036.

It is an arithmetic number, because the mean of its divisors is an integer number (5618676591256).

Almost surely, 2^{22112211101011} is an apocalyptic number.

22112211101011 is a deficient number, since it is larger than the sum of its proper divisors (362495264013).

22112211101011 is an equidigital number, since it uses as much as digits as its factorization.

22112211101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362495264012.

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

Adding to 22112211101011 its reverse (11010111221122), we get a palindrome (33122322322133).

The spelling of 22112211101011 in words is "twenty-two trillion, one hundred twelve billion, two hundred eleven million, one hundred one thousand, eleven".