121301001303 has 4 divisors (see below), whose sum is σ = 161734668408. Its totient is φ = 80867334200.

The previous prime is 121301001281. The next prime is 121301001319. The reversal of 121301001303 is 303100103121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121301001303 - 2¹⁴ = 121300984919 is a prime.

It is a super-2 number, since 2×121301001303² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121301001373) 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 in 3 ways as a sum of consecutive naturals, for example, 20216833548 + ... + 20216833553.

It is an arithmetic number, because the mean of its divisors is an integer number (40433667102).

Almost surely, 2^121301001303 is an apocalyptic number.

121301001303 is a deficient number, since it is larger than the sum of its proper divisors (40433667105).

121301001303 is an equidigital number, since it uses as much as digits as its factorization.

121301001303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40433667104.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 121301001303 its reverse (303100103121), we get a palindrome (424401104424).

The spelling of 121301001303 in words is "one hundred twenty-one billion, three hundred one million, one thousand, three hundred three".