2122342321042 has 8 divisors (see below), whose sum is σ = 3191452419132. Its totient is φ = 1058524848000.

The previous prime is 2122342321019. The next prime is 2122342321049. The reversal of 2122342321042 is 2401232432212.

It can be written as a sum of positive squares in 2 ways, for example, as 1450268641441 + 672073679601 = 1204271^2 + 819801^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2122342321042.

It is not an unprimeable number, because it can be changed into a prime (2122342321049) 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, 1323155259 + ... + 1323156862.

Almost surely, 2^{2122342321042} is an apocalyptic number.

2122342321042 is a deficient number, since it is larger than the sum of its proper divisors (1069110098090).

2122342321042 is a wasteful number, since it uses less digits than its factorization.

2122342321042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646312524.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2122342321042 its reverse (2401232432212), we get a palindrome (4523574753254).

The spelling of 2122342321042 in words is "two trillion, one hundred twenty-two billion, three hundred forty-two million, three hundred twenty-one thousand, forty-two".