2112422665342 has 16 divisors (see below), whose sum is σ = 3468993038064. Its totient is φ = 956775064000.

The previous prime is 2112422665273. The next prime is 2112422665343. The reversal of 2112422665342 is 2435662242112.

It is a junction number, because it is equal to n+sod(n) for n = 2112422665295 and 2112422665304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112422665343) 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, 170846509 + ... + 170858872.

It is an arithmetic number, because the mean of its divisors is an integer number (216812064879).

Almost surely, 2^{2112422665342} is an apocalyptic number.

2112422665342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112422665342 is a deficient number, since it is larger than the sum of its proper divisors (1356570372722).

2112422665342 is a wasteful number, since it uses less digits than its factorization.

2112422665342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341705675.

The product of its digits is 276480, while the sum is 40.

The spelling of 2112422665342 in words is "two trillion, one hundred twelve billion, four hundred twenty-two million, six hundred sixty-five thousand, three hundred forty-two".