2113212342320 has 20 divisors (see below), whose sum is σ = 4913218696080. Its totient is φ = 845284936896.

The previous prime is 2113212342317. The next prime is 2113212342343. The reversal of 2113212342320 is 232432123112.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 2113212342320.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13207577060 + ... + 13207577219.

It is an arithmetic number, because the mean of its divisors is an integer number (245660934804).

Almost surely, 2^{2113212342320} is an apocalyptic number.

2113212342320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113212342320 is an abundant number, since it is smaller than the sum of its proper divisors (2800006353760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2113212342320 is a wasteful number, since it uses less digits than its factorization.

2113212342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26415154292 (or 26415154286 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2113212342320 its reverse (232432123112), we get a palindrome (2345644465432).

The spelling of 2113212342320 in words is "two trillion, one hundred thirteen billion, two hundred twelve million, three hundred forty-two thousand, three hundred twenty".