122111002271 has 2 divisors, whose sum is σ = 122111002272. Its totient is φ = 122111002270.

The previous prime is 122111002217. The next prime is 122111002297. The reversal of 122111002271 is 172200111221.

It is a happy number.

Together with previous prime (122111002217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (172200111221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122111002271 is a prime.

It is a super-2 number, since 2×122111002271² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122111032271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61055501135 + 61055501136.

It is an arithmetic number, because the mean of its divisors is an integer number (61055501136).

Almost surely, 2^122111002271 is an apocalyptic number.

122111002271 is a deficient number, since it is larger than the sum of its proper divisors (1).

122111002271 is an equidigital number, since it uses as much as digits as its factorization.

122111002271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 122111002271 its reverse (172200111221), we get a palindrome (294311113492).

The spelling of 122111002271 in words is "one hundred twenty-two billion, one hundred eleven million, two thousand, two hundred seventy-one".