2112405131361 has 8 divisors (see below), whose sum is σ = 3218903057344. Its totient is φ = 1207088646480.

The previous prime is 2112405131359. The next prime is 2112405131383. The reversal of 2112405131361 is 1631315042112.

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

It is not a de Polignac number, because 2112405131361 - 2¹ = 2112405131359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112405231361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50295360250 + ... + 50295360291.

It is an arithmetic number, because the mean of its divisors is an integer number (402362882168).

Almost surely, 2^{2112405131361} is an apocalyptic number.

2112405131361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2112405131361 is a deficient number, since it is larger than the sum of its proper divisors (1106497925983).

2112405131361 is a wasteful number, since it uses less digits than its factorization.

2112405131361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100590720551.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 2112405131361 in words is "two trillion, one hundred twelve billion, four hundred five million, one hundred thirty-one thousand, three hundred sixty-one".