100033213213 has 2 divisors, whose sum is σ = 100033213214. Its totient is φ = 100033213212.

The previous prime is 100033213207. The next prime is 100033213253. The reversal of 100033213213 is 312312330001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69091699609 + 30941513604 = 262853^2 + 175902^2 .

It is a cyclic number.

It is not a de Polignac number, because 100033213213 - 2⁹ = 100033212701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100033213253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50016606606 + 50016606607.

It is an arithmetic number, because the mean of its divisors is an integer number (50016606607).

Almost surely, 2^100033213213 is an apocalyptic number.

It is an amenable number.

100033213213 is a deficient number, since it is larger than the sum of its proper divisors (1).

100033213213 is an equidigital number, since it uses as much as digits as its factorization.

100033213213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 100033213213 its reverse (312312330001), we get a palindrome (412345543214).

The spelling of 100033213213 in words is "one hundred billion, thirty-three million, two hundred thirteen thousand, two hundred thirteen".