121010321303321 has 8 divisors (see below), whose sum is σ = 128132463840840. Its totient is φ = 113888610803968.

The previous prime is 121010321303303. The next prime is 121010321303323. The reversal of 121010321303321 is 123303123010121.

It can be written as a sum of positive squares in 4 ways, for example, as 39842114067721 + 81168207235600 = 6312061^2 + 9009340^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121010321303321 - 2¹⁸ = 121010321041177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010321303323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107432786 + ... + 108553323.

It is an arithmetic number, because the mean of its divisors is an integer number (16016557980105).

Almost surely, 2^{121010321303321} is an apocalyptic number.

It is an amenable number.

121010321303321 is a deficient number, since it is larger than the sum of its proper divisors (7122142537519).

121010321303321 is a wasteful number, since it uses less digits than its factorization.

121010321303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216019083.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121010321303321 its reverse (123303123010121), we get a palindrome (244313444313442).

The spelling of 121010321303321 in words is "one hundred twenty-one trillion, ten billion, three hundred twenty-one million, three hundred three thousand, three hundred twenty-one".