213321111011222 has 8 divisors (see below), whose sum is σ = 319987415442672. Its totient is φ = 106658639197000.

The previous prime is 213321111011153. The next prime is 213321111011231. The reversal of 213321111011222 is 222110111123312.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 958015154 + ... + 958237797.

It is an arithmetic number, because the mean of its divisors is an integer number (39998426930334).

Almost surely, 2^{213321111011222} is an apocalyptic number.

213321111011222 is a deficient number, since it is larger than the sum of its proper divisors (106666304431450).

213321111011222 is a wasteful number, since it uses less digits than its factorization.

213321111011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916308614.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 213321111011222 its reverse (222110111123312), we get a palindrome (435431222134534).

The spelling of 213321111011222 in words is "two hundred thirteen trillion, three hundred twenty-one billion, one hundred eleven million, eleven thousand, two hundred twenty-two".