2122131010123 has 4 divisors (see below), whose sum is σ = 2122223231560. Its totient is φ = 2122038788688.

The previous prime is 2122131010121. The next prime is 2122131010159. The reversal of 2122131010123 is 3210101312212.

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 2122131010123 - 2¹ = 2122131010121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122131010123.

It is not an unprimeable number, because it can be changed into a prime (2122131010121) 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, 46076193 + ... + 46122226.

It is an arithmetic number, because the mean of its divisors is an integer number (530555807890).

Almost surely, 2^{2122131010123} is an apocalyptic number.

2122131010123 is a deficient number, since it is larger than the sum of its proper divisors (92221437).

2122131010123 is an equidigital number, since it uses as much as digits as its factorization.

2122131010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92221436.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2122131010123 its reverse (3210101312212), we get a palindrome (5332232322335).

The spelling of 2122131010123 in words is "two trillion, one hundred twenty-two billion, one hundred thirty-one million, ten thousand, one hundred twenty-three".