210103551013 has 4 divisors (see below), whose sum is σ = 210505279168. Its totient is φ = 209701822860.

The previous prime is 210103551011. The next prime is 210103551019. The reversal of 210103551013 is 310155301012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210103551013 - 2¹ = 210103551011 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 (210103551011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200863293 + ... + 200864338.

It is an arithmetic number, because the mean of its divisors is an integer number (52626319792).

Almost surely, 2^210103551013 is an apocalyptic number.

It is an amenable number.

210103551013 is a deficient number, since it is larger than the sum of its proper divisors (401728155).

210103551013 is an equidigital number, since it uses as much as digits as its factorization.

210103551013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401728154.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 210103551013 its reverse (310155301012), we get a palindrome (520258852025).

The spelling of 210103551013 in words is "two hundred ten billion, one hundred three million, five hundred fifty-one thousand, thirteen".