213113223122 has 8 divisors (see below), whose sum is σ = 319724562096. Its totient is φ = 106538369092.

The previous prime is 213113223119. The next prime is 213113223139. The reversal of 213113223122 is 221322311312.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9106628 + ... + 9129999.

It is an arithmetic number, because the mean of its divisors is an integer number (39965570262).

Almost surely, 2^213113223122 is an apocalyptic number.

213113223122 is a deficient number, since it is larger than the sum of its proper divisors (106611338974).

213113223122 is a wasteful number, since it uses less digits than its factorization.

213113223122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18242472.

The product of its digits is 864, while the sum is 23.

Adding to 213113223122 its reverse (221322311312), we get a palindrome (434435534434).

The spelling of 213113223122 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred twenty-two".