122122222147 has 2 divisors, whose sum is σ = 122122222148. Its totient is φ = 122122222146.

The previous prime is 122122222081. The next prime is 122122222247. The reversal of 122122222147 is 741222221221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122122222147 - 2²³ = 122113833539 is a prime.

It is not a weakly prime, because it can be changed into another prime (122122222247) 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, 61061111073 + 61061111074.

It is an arithmetic number, because the mean of its divisors is an integer number (61061111074).

Almost surely, 2^122122222147 is an apocalyptic number.

122122222147 is a deficient number, since it is larger than the sum of its proper divisors (1).

122122222147 is an equidigital number, since it uses as much as digits as its factorization.

122122222147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 28.

Adding to 122122222147 its reverse (741222221221), we get a palindrome (863344443368).

The spelling of 122122222147 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred forty-seven".