121200488995111 has 2 divisors, whose sum is σ = 121200488995112. Its totient is φ = 121200488995110.

The previous prime is 121200488995031. The next prime is 121200488995139. The reversal of 121200488995111 is 111599884002121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121200488995111 - 2¹¹ = 121200488993063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121200488995811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600244497555 + 60600244497556.

It is an arithmetic number, because the mean of its divisors is an integer number (60600244497556).

Almost surely, 2^{121200488995111} is an apocalyptic number.

121200488995111 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200488995111 is an equidigital number, since it uses as much as digits as its factorization.

121200488995111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 52.

The spelling of 121200488995111 in words is "one hundred twenty-one trillion, two hundred billion, four hundred eighty-eight million, nine hundred ninety-five thousand, one hundred eleven".