121321302003001 has 4 divisors (see below), whose sum is σ = 121353508351872. Its totient is φ = 121289095654132.

The previous prime is 121321302002977. The next prime is 121321302003019. The reversal of 121321302003001 is 100300203123121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121321302003001 - 2⁵ = 121321302002969 is a prime.

It is a super-3 number, since 3×121321302003001³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121321302003001.

It is not an unprimeable number, because it can be changed into a prime (121321302003301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16103168785 + ... + 16103176318.

It is an arithmetic number, because the mean of its divisors is an integer number (30338377087968).

Almost surely, 2^{121321302003001} is an apocalyptic number.

It is an amenable number.

121321302003001 is a deficient number, since it is larger than the sum of its proper divisors (32206348871).

121321302003001 is an equidigital number, since it uses as much as digits as its factorization.

121321302003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32206348870.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 121321302003001 its reverse (100300203123121), we get a palindrome (221621505126122).

The spelling of 121321302003001 in words is "one hundred twenty-one trillion, three hundred twenty-one billion, three hundred two million, three thousand, one".