2123223211 has 8 divisors (see below), whose sum is σ = 2265822720. Its totient is φ = 1982590848.

The previous prime is 2123223199. The next prime is 2123223257. The reversal of 2123223211 is 1123223212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123223211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123223911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489556 + ... + 493873.

It is an arithmetic number, because the mean of its divisors is an integer number (283227840).

Almost surely, 2^2123223211 is an apocalyptic number.

2123223211 is a deficient number, since it is larger than the sum of its proper divisors (142599509).

2123223211 is a wasteful number, since it uses less digits than its factorization.

2123223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983573.

The product of its digits is 288, while the sum is 19.

The square root of 2123223211 is about 46078.4462737189. The cubic root of 2123223211 is about 1285.2823718963.

Adding to 2123223211 its reverse (1123223212), we get a palindrome (3246446423).

Subtracting from 2123223211 its reverse (1123223212), we obtain a palindrome (999999999).

The spelling of 2123223211 in words is "two billion, one hundred twenty-three million, two hundred twenty-three thousand, two hundred eleven".