121107015907 has 2 divisors, whose sum is σ = 121107015908. Its totient is φ = 121107015906.

The previous prime is 121107015901. The next prime is 121107015917. The reversal of 121107015907 is 709510701121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121107015907 - 2³ = 121107015899 is a prime.

It is not a weakly prime, because it can be changed into another prime (121107015901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60553507953 + 60553507954.

It is an arithmetic number, because the mean of its divisors is an integer number (60553507954).

Almost surely, 2^121107015907 is an apocalyptic number.

121107015907 is a deficient number, since it is larger than the sum of its proper divisors (1).

121107015907 is an equidigital number, since it uses as much as digits as its factorization.

121107015907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 34.

The spelling of 121107015907 in words is "one hundred twenty-one billion, one hundred seven million, fifteen thousand, nine hundred seven".