100103210213 has 4 divisors (see below), whose sum is σ = 101744246508. Its totient is φ = 98462173920.

The previous prime is 100103210177. The next prime is 100103210237. The reversal of 100103210213 is 312012301001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312012301001 = 228077 ⋅1368013.

It can be written as a sum of positive squares in 2 ways, for example, as 1430579329 + 98672630884 = 37823^2 + 314122^2 .

It is a cyclic number.

It is not a de Polignac number, because 100103210213 - 2⁶ = 100103210149 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 (100103210243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820518056 + ... + 820518177.

It is an arithmetic number, because the mean of its divisors is an integer number (25436061627).

Almost surely, 2^100103210213 is an apocalyptic number.

It is an amenable number.

100103210213 is a deficient number, since it is larger than the sum of its proper divisors (1641036295).

100103210213 is an equidigital number, since it uses as much as digits as its factorization.

100103210213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641036294.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 100103210213 its reverse (312012301001), we get a palindrome (412115511214).

It can be divided in two parts, 10010 and 3210213, that added together give a palindrome (3220223).

The spelling of 100103210213 in words is "one hundred billion, one hundred three million, two hundred ten thousand, two hundred thirteen".