121210011107 has 2 divisors, whose sum is σ = 121210011108. Its totient is φ = 121210011106.

The previous prime is 121210011089. The next prime is 121210011157. The reversal of 121210011107 is 701110012121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121210011107 - 2³⁴ = 104030141923 is a prime.

It is not a weakly prime, because it can be changed into another prime (121210011157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605005553 + 60605005554.

It is an arithmetic number, because the mean of its divisors is an integer number (60605005554).

Almost surely, 2^121210011107 is an apocalyptic number.

121210011107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210011107 is an equidigital number, since it uses as much as digits as its factorization.

121210011107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 17.

Adding to 121210011107 its reverse (701110012121), we get a palindrome (822320023228).

The spelling of 121210011107 in words is "one hundred twenty-one billion, two hundred ten million, eleven thousand, one hundred seven".