122207226271 has 4 divisors (see below), whose sum is σ = 131607782152. Its totient is φ = 112806670392.

The previous prime is 122207226257. The next prime is 122207226277. The reversal of 122207226271 is 172622702221.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-122207226271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122207226277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4700277921 + ... + 4700277946.

It is an arithmetic number, because the mean of its divisors is an integer number (32901945538).

Almost surely, 2^122207226271 is an apocalyptic number.

122207226271 is a deficient number, since it is larger than the sum of its proper divisors (9400555881).

122207226271 is an equidigital number, since it uses as much as digits as its factorization.

122207226271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400555880.

The product of its (nonzero) digits is 18816, while the sum is 34.

Adding to 122207226271 its reverse (172622702221), we get a palindrome (294829928492).

The spelling of 122207226271 in words is "one hundred twenty-two billion, two hundred seven million, two hundred twenty-six thousand, two hundred seventy-one".