121201111001107 has 2 divisors, whose sum is σ = 121201111001108. Its totient is φ = 121201111001106.

The previous prime is 121201111001093. The next prime is 121201111001203. The reversal of 121201111001107 is 701100111102121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121201111001107 - 2³⁹ = 120651355187219 is a prime.

It is not a weakly prime, because it can be changed into another prime (121201141001107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600555500553 + 60600555500554.

It is an arithmetic number, because the mean of its divisors is an integer number (60600555500554).

Almost surely, 2^{121201111001107} is an apocalyptic number.

121201111001107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121201111001107 is an equidigital number, since it uses as much as digits as its factorization.

121201111001107 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 19.

Adding to 121201111001107 its reverse (701100111102121), we get a palindrome (822301222103228).

The spelling of 121201111001107 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred eleven million, one thousand, one hundred seven".