122221212107 has 2 divisors, whose sum is σ = 122221212108. Its totient is φ = 122221212106.

The previous prime is 122221212103. The next prime is 122221212131. The reversal of 122221212107 is 701212122221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122221212107 - 2² = 122221212103 is a prime.

It is not a weakly prime, because it can be changed into another prime (122221212101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110606053 + 61110606054.

It is an arithmetic number, because the mean of its divisors is an integer number (61110606054).

Almost surely, 2^122221212107 is an apocalyptic number.

122221212107 is a deficient number, since it is larger than the sum of its proper divisors (1).

122221212107 is an equidigital number, since it uses as much as digits as its factorization.

122221212107 is an evil number, because the sum of its binary digits is even.

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

Adding to 122221212107 its reverse (701212122221), we get a palindrome (823433334328).

The spelling of 122221212107 in words is "one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, one hundred seven".