10103212213 has 4 divisors (see below), whose sum is σ = 10107111148. Its totient is φ = 10099313280.

The previous prime is 10103212199. The next prime is 10103212253. The reversal of 10103212213 is 31221230101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31221230101 = 23 ⋅1357444787.

It can be written as a sum of positive squares in 2 ways, for example, as 2218127409 + 7885084804 = 47097^2 + 88798^2 .

It is a cyclic number.

It is not a de Polignac number, because 10103212213 - 2⁵ = 10103212181 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 (10103212253) 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, 1945578 + ... + 1950763.

It is an arithmetic number, because the mean of its divisors is an integer number (2526777787).

Almost surely, 2^10103212213 is an apocalyptic number.

It is an amenable number.

10103212213 is a deficient number, since it is larger than the sum of its proper divisors (3898935).

10103212213 is an equidigital number, since it uses as much as digits as its factorization.

10103212213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898934.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10103212213 its reverse (31221230101), we get a palindrome (41324442314).

The spelling of 10103212213 in words is "ten billion, one hundred three million, two hundred twelve thousand, two hundred thirteen".