22222111022011 has 2 divisors, whose sum is σ = 22222111022012. Its totient is φ = 22222111022010.

The previous prime is 22222111021991. The next prime is 22222111022051. The reversal of 22222111022011 is 11022011122222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22222111022011 - 2¹¹ = 22222111019963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22222111022011.

It is not a weakly prime, because it can be changed into another prime (22222111022051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111055511005 + 11111055511006.

It is an arithmetic number, because the mean of its divisors is an integer number (11111055511006).

Almost surely, 2^{22222111022011} is an apocalyptic number.

22222111022011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222111022011 is an equidigital number, since it uses as much as digits as its factorization.

22222111022011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22222111022011 its reverse (11022011122222), we get a palindrome (33244122144233).

The spelling of 22222111022011 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred eleven million, twenty-two thousand, eleven".