111020222110111 has 2 divisors, whose sum is σ = 111020222110112. Its totient is φ = 111020222110110.

The previous prime is 111020222110097. The next prime is 111020222110121. The reversal of 111020222110111 is 111011222020111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111020222110111 - 2¹¹ = 111020222108063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111020222110121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55510111055055 + 55510111055056.

It is an arithmetic number, because the mean of its divisors is an integer number (55510111055056).

Almost surely, 2^{111020222110111} is an apocalyptic number.

111020222110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111020222110111 is an equidigital number, since it uses as much as digits as its factorization.

111020222110111 is an evil number, because the sum of its binary digits is even.

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

Adding to 111020222110111 its reverse (111011222020111), we get a palindrome (222031444130222).

The spelling of 111020222110111 in words is "one hundred eleven trillion, twenty billion, two hundred twenty-two million, one hundred ten thousand, one hundred eleven".