22111101222011 has 2 divisors, whose sum is σ = 22111101222012. Its totient is φ = 22111101222010.

The previous prime is 22111101221987. The next prime is 22111101222013. The reversal of 22111101222011 is 11022210111122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22111101222011 - 2¹⁸ = 22111100959867 is a prime.

Together with 22111101222013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22111101222013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055550611005 + 11055550611006.

It is an arithmetic number, because the mean of its divisors is an integer number (11055550611006).

Almost surely, 2^{22111101222011} is an apocalyptic number.

22111101222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111101222011 is an equidigital number, since it uses as much as digits as its factorization.

22111101222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111101222011 its reverse (11022210111122), we get a palindrome (33133311333133).

The spelling of 22111101222011 in words is "twenty-two trillion, one hundred eleven billion, one hundred one million, two hundred twenty-two thousand, eleven".