121541350303 has 8 divisors (see below), whose sum is σ = 122363120880. Its totient is φ = 120721166400.

The previous prime is 121541350243. The next prime is 121541350367. The reversal of 121541350303 is 303053145121.

It is a happy number.

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 121541350303 - 2²¹ = 121539253151 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 (121541350393) 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, 242748 + ... + 549553.

It is an arithmetic number, because the mean of its divisors is an integer number (15295390110).

Almost surely, 2^121541350303 is an apocalyptic number.

121541350303 is a deficient number, since it is larger than the sum of its proper divisors (821770577).

121541350303 is an equidigital number, since it uses as much as digits as its factorization.

121541350303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793337.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 121541350303 its reverse (303053145121), we get a palindrome (424594495424).

The spelling of 121541350303 in words is "one hundred twenty-one billion, five hundred forty-one million, three hundred fifty thousand, three hundred three".