121003325803 has 2 divisors, whose sum is σ = 121003325804. Its totient is φ = 121003325802.

The previous prime is 121003325797. The next prime is 121003325837. The reversal of 121003325803 is 308523300121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121003325803 - 2¹⁷ = 121003194731 is a prime.

It is not a weakly prime, because it can be changed into another prime (121003320803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60501662901 + 60501662902.

It is an arithmetic number, because the mean of its divisors is an integer number (60501662902).

Almost surely, 2^121003325803 is an apocalyptic number.

121003325803 is a deficient number, since it is larger than the sum of its proper divisors (1).

121003325803 is an equidigital number, since it uses as much as digits as its factorization.

121003325803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 121003325803 its reverse (308523300121), we get a palindrome (429526625924).

The spelling of 121003325803 in words is "one hundred twenty-one billion, three million, three hundred twenty-five thousand, eight hundred three".