121335533107 has 2 divisors, whose sum is σ = 121335533108. Its totient is φ = 121335533106.

The previous prime is 121335533051. The next prime is 121335533159. The reversal of 121335533107 is 701335533121.

It is a strong prime.

It is an emirp because it is prime and its reverse (701335533121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121335533107 - 2⁷ = 121335532979 is a prime.

It is not a weakly prime, because it can be changed into another prime (121335533197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60667766553 + 60667766554.

It is an arithmetic number, because the mean of its divisors is an integer number (60667766554).

Almost surely, 2^121335533107 is an apocalyptic number.

121335533107 is a deficient number, since it is larger than the sum of its proper divisors (1).

121335533107 is an equidigital number, since it uses as much as digits as its factorization.

121335533107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28350, while the sum is 34.

The spelling of 121335533107 in words is "one hundred twenty-one billion, three hundred thirty-five million, five hundred thirty-three thousand, one hundred seven".