111122111071 has 2 divisors, whose sum is σ = 111122111072. Its totient is φ = 111122111070.

The previous prime is 111122111053. The next prime is 111122111117. The reversal of 111122111071 is 170111221111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111122111071 - 2⁹ = 111122110559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111122111671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561055535 + 55561055536.

It is an arithmetic number, because the mean of its divisors is an integer number (55561055536).

Almost surely, 2^111122111071 is an apocalyptic number.

111122111071 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122111071 is an equidigital number, since it uses as much as digits as its factorization.

111122111071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 19.

Adding to 111122111071 its reverse (170111221111), we get a palindrome (281233332182).

The spelling of 111122111071 in words is "one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, seventy-one".