33211103213 has 2 divisors, whose sum is σ = 33211103214. Its totient is φ = 33211103212.

The previous prime is 33211103209. The next prime is 33211103221. The reversal of 33211103213 is 31230111233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26988575524 + 6222527689 = 164282^2 + 78883^2 .

It is a cyclic number.

It is not a de Polignac number, because 33211103213 - 2² = 33211103209 is a prime.

It is a super-2 number, since 2×33211103213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33211109213) 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 as a sum of consecutive naturals, namely, 16605551606 + 16605551607.

It is an arithmetic number, because the mean of its divisors is an integer number (16605551607).

Almost surely, 2^33211103213 is an apocalyptic number.

It is an amenable number.

33211103213 is a deficient number, since it is larger than the sum of its proper divisors (1).

33211103213 is an equidigital number, since it uses as much as digits as its factorization.

33211103213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 33211103213 its reverse (31230111233), we get a palindrome (64441214446).

The spelling of 33211103213 in words is "thirty-three billion, two hundred eleven million, one hundred three thousand, two hundred thirteen".