121112107 has 2 divisors, whose sum is σ = 121112108. Its totient is φ = 121112106.

The previous prime is 121112093. The next prime is 121112111. The reversal of 121112107 is 701211121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121112107 - 2⁷ = 121111979 is a prime.

It is not a weakly prime, because it can be changed into another prime (121112177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556053 + 60556054.

It is an arithmetic number, because the mean of its divisors is an integer number (60556054).

Almost surely, 2^121112107 is an apocalyptic number.

121112107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121112107 is an equidigital number, since it uses as much as digits as its factorization.

121112107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

The square root of 121112107 is about 11005.0945929601. The cubic root of 121112107 is about 494.7614495224.

Adding to 121112107 its reverse (701211121), we get a palindrome (822323228).

The spelling of 121112107 in words is "one hundred twenty-one million, one hundred twelve thousand, one hundred seven".