121323121101303 has 8 divisors (see below), whose sum is σ = 176469994329216. Its totient is φ = 73529164303800.

The previous prime is 121323121101289. The next prime is 121323121101311. The reversal of 121323121101303 is 303101121323121.

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

It is not a de Polignac number, because 121323121101303 - 2⁸ = 121323121101047 is a prime.

It is a super-2 number, since 2×121323121101303² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121323121101323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1838229107563 + ... + 1838229107628.

It is an arithmetic number, because the mean of its divisors is an integer number (22058749291152).

Almost surely, 2^{121323121101303} is an apocalyptic number.

121323121101303 is a deficient number, since it is larger than the sum of its proper divisors (55146873227913).

121323121101303 is a wasteful number, since it uses less digits than its factorization.

121323121101303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3676458215205.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 121323121101303 its reverse (303101121323121), we get a palindrome (424424242424424).

The spelling of 121323121101303 in words is "one hundred twenty-one trillion, three hundred twenty-three billion, one hundred twenty-one million, one hundred one thousand, three hundred three".