211322242223111 has 4 divisors (see below), whose sum is σ = 211322346349224. Its totient is φ = 211322138097000.

The previous prime is 211322242223089. The next prime is 211322242223123. The reversal of 211322242223111 is 111322242223112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211322242223111 - 2¹⁴ = 211322242206727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211322242223161) 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 3 ways as a sum of consecutive naturals, for example, 48957065 + ... + 53098386.

It is an arithmetic number, because the mean of its divisors is an integer number (52830586587306).

Almost surely, 2^{211322242223111} is an apocalyptic number.

211322242223111 is a deficient number, since it is larger than the sum of its proper divisors (104126113).

211322242223111 is a wasteful number, since it uses less digits than its factorization.

211322242223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104126112.

The product of its digits is 4608, while the sum is 29.

Adding to 211322242223111 its reverse (111322242223112), we get a palindrome (322644484446223).

Subtracting from 211322242223111 its reverse (111322242223112), we obtain a palindrome (99999999999999).

The spelling of 211322242223111 in words is "two hundred eleven trillion, three hundred twenty-two billion, two hundred forty-two million, two hundred twenty-three thousand, one hundred eleven".