121113107 has 2 divisors, whose sum is σ = 121113108. Its totient is φ = 121113106.

The previous prime is 121113089. The next prime is 121113119. The reversal of 121113107 is 701311121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121113107 - 2¹⁰ = 121112083 is a prime.

It is not a weakly prime, because it can be changed into another prime (121113137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60556553 + 60556554.

It is an arithmetic number, because the mean of its divisors is an integer number (60556554).

Almost surely, 2^121113107 is an apocalyptic number.

121113107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121113107 is an equidigital number, since it uses as much as digits as its factorization.

121113107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 121113107 is about 11005.1400263695. The cubic root of 121113107 is about 494.7628112362.

Adding to 121113107 its reverse (701311121), we get a palindrome (822424228).

The spelling of 121113107 in words is "one hundred twenty-one million, one hundred thirteen thousand, one hundred seven".