121000231303 has 4 divisors (see below), whose sum is σ = 138285978640. Its totient is φ = 103714483968.

The previous prime is 121000231259. The next prime is 121000231321. The reversal of 121000231303 is 303132000121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121000231303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000231333) 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, 8642873658 + ... + 8642873671.

It is an arithmetic number, because the mean of its divisors is an integer number (34571494660).

Almost surely, 2^121000231303 is an apocalyptic number.

121000231303 is a deficient number, since it is larger than the sum of its proper divisors (17285747337).

121000231303 is an equidigital number, since it uses as much as digits as its factorization.

121000231303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17285747336.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 121000231303 its reverse (303132000121), we get a palindrome (424132231424).

The spelling of 121000231303 in words is "one hundred twenty-one billion, two hundred thirty-one thousand, three hundred three".