213211101223 has 8 divisors (see below), whose sum is σ = 217824504768. Its totient is φ = 208600905984.

The previous prime is 213211101199. The next prime is 213211101293. The reversal of 213211101223 is 322101112312.

213211101223 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-213211101223 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 213211101223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213211101293) 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, 667486 + ... + 933787.

It is an arithmetic number, because the mean of its divisors is an integer number (27228063096).

Almost surely, 2^213211101223 is an apocalyptic number.

213211101223 is a deficient number, since it is larger than the sum of its proper divisors (4613403545).

213211101223 is a wasteful number, since it uses less digits than its factorization.

213211101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604153.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 213211101223 its reverse (322101112312), we get a palindrome (535312213535).

The spelling of 213211101223 in words is "two hundred thirteen billion, two hundred eleven million, one hundred one thousand, two hundred twenty-three".