210134213103 has 4 divisors (see below), whose sum is σ = 280178950808. Its totient is φ = 140089475400.

The previous prime is 210134213089. The next prime is 210134213119. The reversal of 210134213103 is 301312431012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 210134213103 - 2⁴ = 210134213087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210134213103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210134212103) 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 3 ways as a sum of consecutive naturals, for example, 35022368848 + ... + 35022368853.

It is an arithmetic number, because the mean of its divisors is an integer number (70044737702).

Almost surely, 2^210134213103 is an apocalyptic number.

210134213103 is a deficient number, since it is larger than the sum of its proper divisors (70044737705).

210134213103 is an equidigital number, since it uses as much as digits as its factorization.

210134213103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70044737704.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 210134213103 its reverse (301312431012), we get a palindrome (511446644115).

The spelling of 210134213103 in words is "two hundred ten billion, one hundred thirty-four million, two hundred thirteen thousand, one hundred three".