22022111111111 has 2 divisors, whose sum is σ = 22022111111112. Its totient is φ = 22022111111110.

The previous prime is 22022111111107. The next prime is 22022111111153. The reversal of 22022111111111 is 11111111122022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22022111111111 - 2² = 22022111111107 is a prime.

22022111111111 is a modest number, since divided by 11111111 gives 220221 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 22022111111111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022111114111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011055555555 + 11011055555556.

It is an arithmetic number, because the mean of its divisors is an integer number (11011055555556).

Almost surely, 2^{22022111111111} is an apocalyptic number.

22022111111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022111111111 is an equidigital number, since it uses as much as digits as its factorization.

22022111111111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 22022111111111 its reverse (11111111122022), we get a palindrome (33133222233133).

It can be divided in two parts, 22022 and 111111111, that multiplied together give a palindrome (2446888886442).

The spelling of 22022111111111 in words is "twenty-two trillion, twenty-two billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".