121320103303 has 8 divisors (see below), whose sum is σ = 138655395872. Its totient is φ = 103985773056.

The previous prime is 121320103301. The next prime is 121320103393. The reversal of 121320103303 is 303301023121.

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 121320103303 - 2¹ = 121320103301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121320103301) 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, 53551 + ... + 495487.

It is an arithmetic number, because the mean of its divisors is an integer number (17331924484).

Almost surely, 2^121320103303 is an apocalyptic number.

121320103303 is a deficient number, since it is larger than the sum of its proper divisors (17335292569).

121320103303 is an equidigital number, since it uses as much as digits as its factorization.

121320103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481161.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 121320103303 its reverse (303301023121), we get a palindrome (424621126424).

The spelling of 121320103303 in words is "one hundred twenty-one billion, three hundred twenty million, one hundred three thousand, three hundred three".