2123323222211 has 4 divisors (see below), whose sum is σ = 2127248034624. Its totient is φ = 2119398409800.

The previous prime is 2123323222199. The next prime is 2123323222231. The reversal of 2123323222211 is 1122223233212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123323222211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123323222231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1962405395 + ... + 1962406476.

It is an arithmetic number, because the mean of its divisors is an integer number (531812008656).

Almost surely, 2^{2123323222211} is an apocalyptic number.

2123323222211 is a deficient number, since it is larger than the sum of its proper divisors (3924812413).

2123323222211 is an equidigital number, since it uses as much as digits as its factorization.

2123323222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924812412.

The product of its digits is 3456, while the sum is 26.

Adding to 2123323222211 its reverse (1122223233212), we get a palindrome (3245546455423).

The spelling of 2123323222211 in words is "two trillion, one hundred twenty-three billion, three hundred twenty-three million, two hundred twenty-two thousand, two hundred eleven".