210000121303 has 8 divisors (see below), whose sum is σ = 240003751808. Its totient is φ = 179997394104.

The previous prime is 210000121301. The next prime is 210000121319. The reversal of 210000121303 is 303121000012.

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 210000121303 - 2¹ = 210000121301 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 (210000121301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381100 + ... + 751822.

It is an arithmetic number, because the mean of its divisors is an integer number (30000468976).

Almost surely, 2^210000121303 is an apocalyptic number.

210000121303 is a deficient number, since it is larger than the sum of its proper divisors (30003630505).

210000121303 is an equidigital number, since it uses as much as digits as its factorization.

210000121303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451653.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 210000121303 its reverse (303121000012), we get a palindrome (513121121315).

The spelling of 210000121303 in words is "two hundred ten billion, one hundred twenty-one thousand, three hundred three".