22111220211071 has 2 divisors, whose sum is σ = 22111220211072. Its totient is φ = 22111220211070.

The previous prime is 22111220211053. The next prime is 22111220211187. The reversal of 22111220211071 is 17011202211122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111220211071 - 2²² = 22111216016767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22111220211001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055610105535 + 11055610105536.

It is an arithmetic number, because the mean of its divisors is an integer number (11055610105536).

Almost surely, 2^{22111220211071} is an apocalyptic number.

22111220211071 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111220211071 is an equidigital number, since it uses as much as digits as its factorization.

22111220211071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 23.

Adding to 22111220211071 its reverse (17011202211122), we get a palindrome (39122422422193).

The spelling of 22111220211071 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty million, two hundred eleven thousand, seventy-one".