22011100112011 has 2 divisors, whose sum is σ = 22011100112012. Its totient is φ = 22011100112010.

The previous prime is 22011100112009. The next prime is 22011100112017. The reversal of 22011100112011 is 11021100111022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22011100112011 - 2¹ = 22011100112009 is a prime.

Together with 22011100112009, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 22011100111982 and 22011100112000.

It is not a weakly prime, because it can be changed into another prime (22011100112017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11005550056005 + 11005550056006.

It is an arithmetic number, because the mean of its divisors is an integer number (11005550056006).

Almost surely, 2^{22011100112011} is an apocalyptic number.

22011100112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22011100112011 is an equidigital number, since it uses as much as digits as its factorization.

22011100112011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22011100112011 its reverse (11021100111022), we get a palindrome (33032200223033).

The spelling of 22011100112011 in words is "twenty-two trillion, eleven billion, one hundred million, one hundred twelve thousand, eleven".