2123111322 has 24 divisors (see below), whose sum is σ = 4748465280. Its totient is φ = 684874440.

The previous prime is 2123111321. The next prime is 2123111327. The reversal of 2123111322 is 2231113212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2123111295 and 2123111304.

It is not an unprimeable number, because it can be changed into a prime (2123111321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1901872 + ... + 1902987.

It is an arithmetic number, because the mean of its divisors is an integer number (197852720).

Almost surely, 2^2123111322 is an apocalyptic number.

2123111322 is an abundant number, since it is smaller than the sum of its proper divisors (2625353958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123111322 is a wasteful number, since it uses less digits than its factorization.

2123111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804898 (or 3804895 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2123111322 is about 46077.2321434350. The cubic root of 2123111322 is about 1285.2597943540.

Adding to 2123111322 its reverse (2231113212), we get a palindrome (4354224534).

The spelling of 2123111322 in words is "two billion, one hundred twenty-three million, one hundred eleven thousand, three hundred twenty-two".