211122222222323 has 4 divisors (see below), whose sum is σ = 211123636063968. Its totient is φ = 211120808380680.

The previous prime is 211122222222313. The next prime is 211122222222337. The reversal of 211122222222323 is 323222222221112.

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 211122222222323 - 2²⁶ = 211122155113459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211122222222313) by changing a digit.

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, 706696811 + ... + 706995492.

It is an arithmetic number, because the mean of its divisors is an integer number (52780909015992).

Almost surely, 2^{211122222222323} is an apocalyptic number.

211122222222323 is a deficient number, since it is larger than the sum of its proper divisors (1413841645).

211122222222323 is a wasteful number, since it uses less digits than its factorization.

211122222222323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413841644.

The product of its digits is 9216, while the sum is 29.

Adding to 211122222222323 its reverse (323222222221112), we get a palindrome (534344444443435).

The spelling of 211122222222323 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty-three".