2122021023123 has 8 divisors (see below), whose sum is σ = 2871590638528. Its totient is φ = 1393566044904.

The previous prime is 2122021023113. The next prime is 2122021023127. The reversal of 2122021023123 is 3213201202212.

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

It is not a de Polignac number, because 2122021023123 - 2³⁴ = 2104841153939 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 2122021023123.

It is not an unprimeable number, because it can be changed into a prime (2122021023127) 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, 5278659061 + ... + 5278659462.

It is an arithmetic number, because the mean of its divisors is an integer number (358948829816).

Almost surely, 2^{2122021023123} is an apocalyptic number.

2122021023123 is a deficient number, since it is larger than the sum of its proper divisors (749569615405).

2122021023123 is a wasteful number, since it uses less digits than its factorization.

2122021023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10557318593.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2122021023123 its reverse (3213201202212), we get a palindrome (5335222225335).

The spelling of 2122021023123 in words is "two trillion, one hundred twenty-two billion, twenty-one million, twenty-three thousand, one hundred twenty-three".