122011222271 has 2 divisors, whose sum is σ = 122011222272. Its totient is φ = 122011222270.

The previous prime is 122011222261. The next prime is 122011222303. The reversal of 122011222271 is 172222110221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122011222271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122011222261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61005611135 + 61005611136.

It is an arithmetic number, because the mean of its divisors is an integer number (61005611136).

Almost surely, 2^122011222271 is an apocalyptic number.

122011222271 is a deficient number, since it is larger than the sum of its proper divisors (1).

122011222271 is an equidigital number, since it uses as much as digits as its factorization.

122011222271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 122011222271 its reverse (172222110221), we get a palindrome (294233332492).

The spelling of 122011222271 in words is "one hundred twenty-two billion, eleven million, two hundred twenty-two thousand, two hundred seventy-one".