210503004121 has 8 divisors (see below), whose sum is σ = 219730887360. Its totient is φ = 201281419152.

The previous prime is 210503004083. The next prime is 210503004233. The reversal of 210503004121 is 121400305012.

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 210503004121 - 2¹⁵ = 210502971353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210503004421) 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, 1506195 + ... + 1640008.

It is an arithmetic number, because the mean of its divisors is an integer number (27466360920).

Almost surely, 2^210503004121 is an apocalyptic number.

It is an amenable number.

210503004121 is a deficient number, since it is larger than the sum of its proper divisors (9227883239).

210503004121 is a wasteful number, since it uses less digits than its factorization.

210503004121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149135.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 210503004121 its reverse (121400305012), we get a palindrome (331903309133).

The spelling of 210503004121 in words is "two hundred ten billion, five hundred three million, four thousand, one hundred twenty-one".