122042421107 has 2 divisors, whose sum is σ = 122042421108. Its totient is φ = 122042421106.

The previous prime is 122042421073. The next prime is 122042421139. The reversal of 122042421107 is 701124240221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122042421107 - 2⁶ = 122042421043 is a prime.

It is not a weakly prime, because it can be changed into another prime (122042421157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61021210553 + 61021210554.

It is an arithmetic number, because the mean of its divisors is an integer number (61021210554).

Almost surely, 2^122042421107 is an apocalyptic number.

122042421107 is a deficient number, since it is larger than the sum of its proper divisors (1).

122042421107 is an equidigital number, since it uses as much as digits as its factorization.

122042421107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

Adding to 122042421107 its reverse (701124240221), we get a palindrome (823166661328).

The spelling of 122042421107 in words is "one hundred twenty-two billion, forty-two million, four hundred twenty-one thousand, one hundred seven".