22202211011111 has 2 divisors, whose sum is σ = 22202211011112. Its totient is φ = 22202211011110.

The previous prime is 22202211011039. The next prime is 22202211011117. The reversal of 22202211011111 is 11111011220222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22202211011111 - 2³⁸ = 21927333104167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22202211011111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202211011117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101105505555 + 11101105505556.

It is an arithmetic number, because the mean of its divisors is an integer number (11101105505556).

Almost surely, 2^{22202211011111} is an apocalyptic number.

22202211011111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202211011111 is an equidigital number, since it uses as much as digits as its factorization.

22202211011111 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22202211011111 its reverse (11111011220222), we get a palindrome (33313222231333).

The spelling of 22202211011111 in words is "twenty-two trillion, two hundred two billion, two hundred eleven million, eleven thousand, one hundred eleven".