121000203313 has 8 divisors (see below), whose sum is σ = 132018828480. Its totient is φ = 109984679280.

The previous prime is 121000203257. The next prime is 121000203329. The reversal of 121000203313 is 313302000121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121000203313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121000209313) 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, 693318 + ... + 850111.

It is an arithmetic number, because the mean of its divisors is an integer number (16502353560).

Almost surely, 2^121000203313 is an apocalyptic number.

It is an amenable number.

121000203313 is a deficient number, since it is larger than the sum of its proper divisors (11018625167).

121000203313 is a wasteful number, since it uses less digits than its factorization.

121000203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550567.

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

Adding to 121000203313 its reverse (313302000121), we get a palindrome (434302203434).

The spelling of 121000203313 in words is "one hundred twenty-one billion, two hundred three thousand, three hundred thirteen".