121131320303003 has 4 divisors (see below), whose sum is σ = 121132455990960. Its totient is φ = 121130184615048.

The previous prime is 121131320302997. The next prime is 121131320303009. The reversal of 121131320303003 is 300303023131121.

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

It is an interprime number because it is at equal distance from previous prime (121131320302997) and next prime (121131320303009).

It is a cyclic number.

It is not a de Polignac number, because 121131320303003 - 2²⁰ = 121131319254427 is a prime.

It is a super-3 number, since 3×121131320303003³ (a number of 43 digits) contains 333 as substring.

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 121131320303003.

It is not an unprimeable number, because it can be changed into a prime (121131320303009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567683975 + ... + 567897312.

It is an arithmetic number, because the mean of its divisors is an integer number (30283113997740).

Almost surely, 2^{121131320303003} is an apocalyptic number.

121131320303003 is a deficient number, since it is larger than the sum of its proper divisors (1135687957).

121131320303003 is a wasteful number, since it uses less digits than its factorization.

121131320303003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135687956.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 121131320303003 its reverse (300303023131121), we get a palindrome (421434343434124).

The spelling of 121131320303003 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred twenty million, three hundred three thousand, three".