121001230993 has 2 divisors, whose sum is σ = 121001230994. Its totient is φ = 121001230992.

The previous prime is 121001230951. The next prime is 121001231023. The reversal of 121001230993 is 399032100121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70996668304 + 50004562689 = 266452^2 + 223617^2 .

It is an emirp because it is prime and its reverse (399032100121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121001230993 - 2²¹ = 120999133841 is a prime.

It is not a weakly prime, because it can be changed into another prime (121001230913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500615496 + 60500615497.

It is an arithmetic number, because the mean of its divisors is an integer number (60500615497).

Almost surely, 2^121001230993 is an apocalyptic number.

It is an amenable number.

121001230993 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001230993 is an equidigital number, since it uses as much as digits as its factorization.

121001230993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 121001230993 in words is "one hundred twenty-one billion, one million, two hundred thirty thousand, nine hundred ninety-three".