213020111233 has 8 divisors (see below), whose sum is σ = 220633416000. Its totient is φ = 205424658768.

The previous prime is 213020111207. The next prime is 213020111273. The reversal of 213020111233 is 332111020312.

213020111233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213020111233 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 213020111233.

It is not an unprimeable number, because it can be changed into a prime (213020111273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4438783 + ... + 4486516.

It is an arithmetic number, because the mean of its divisors is an integer number (27579177000).

Almost surely, 2^213020111233 is an apocalyptic number.

It is an amenable number.

213020111233 is a deficient number, since it is larger than the sum of its proper divisors (7613304767).

213020111233 is an equidigital number, since it uses as much as digits as its factorization.

213020111233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926151.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213020111233 its reverse (332111020312), we get a palindrome (545131131545).

The spelling of 213020111233 in words is "two hundred thirteen billion, twenty million, one hundred eleven thousand, two hundred thirty-three".