2123112311122 has 8 divisors (see below), whose sum is σ = 3474183781872. Its totient is φ = 965051050500.

The previous prime is 2123112311119. The next prime is 2123112311153. The reversal of 2123112311122 is 2211132113212.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 96505105051 = 2123112311122 / (2 + 1 + 2 + 3 + 1 + 1 + 2 + 3 + 1 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 2123112311093 and 2123112311102.

It is an unprimeable number.

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, 48252552504 + ... + 48252552547.

It is an arithmetic number, because the mean of its divisors is an integer number (434272972734).

Almost surely, 2^{2123112311122} is an apocalyptic number.

2123112311122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123112311122 is a deficient number, since it is larger than the sum of its proper divisors (1351071470750).

2123112311122 is a wasteful number, since it uses less digits than its factorization.

2123112311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96505105064.

The product of its digits is 288, while the sum is 22.

Adding to 2123112311122 its reverse (2211132113212), we get a palindrome (4334244424334).

The spelling of 2123112311122 in words is "two trillion, one hundred twenty-three billion, one hundred twelve million, three hundred eleven thousand, one hundred twenty-two".