111122001212071 has 2 divisors, whose sum is σ = 111122001212072. Its totient is φ = 111122001212070.

The previous prime is 111122001212051. The next prime is 111122001212137. The reversal of 111122001212071 is 170212100221111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111122001212071 - 2¹¹ = 111122001210023 is a prime.

It is a super-2 number, since 2×111122001212071² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111122001212051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561000606035 + 55561000606036.

It is an arithmetic number, because the mean of its divisors is an integer number (55561000606036).

Almost surely, 2^{111122001212071} is an apocalyptic number.

111122001212071 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122001212071 is an equidigital number, since it uses as much as digits as its factorization.

111122001212071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 111122001212071 its reverse (170212100221111), we get a palindrome (281334101433182).

The spelling of 111122001212071 in words is "one hundred eleven trillion, one hundred twenty-two billion, one million, two hundred twelve thousand, seventy-one".