122220220271 has 2 divisors, whose sum is σ = 122220220272. Its totient is φ = 122220220270.

The previous prime is 122220220201. The next prime is 122220220277. The reversal of 122220220271 is 172022022221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122220220271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122220220277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110110135 + 61110110136.

It is an arithmetic number, because the mean of its divisors is an integer number (61110110136).

Almost surely, 2^122220220271 is an apocalyptic number.

122220220271 is a deficient number, since it is larger than the sum of its proper divisors (1).

122220220271 is an equidigital number, since it uses as much as digits as its factorization.

122220220271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 23.

Adding to 122220220271 its reverse (172022022221), we get a palindrome (294242242492).

The spelling of 122220220271 in words is "one hundred twenty-two billion, two hundred twenty million, two hundred twenty thousand, two hundred seventy-one".