2112611566340 has 96 divisors (see below), whose sum is σ = 4850560326528. Its totient is φ = 766516608000.

The previous prime is 2112611566321. The next prime is 2112611566363. The reversal of 2112611566340 is 436651162112.

It is a junction number, because it is equal to n+sod(n) for n = 2112611566294 and 2112611566303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193972295 + ... + 193983185.

It is an arithmetic number, because the mean of its divisors is an integer number (50526670068).

Almost surely, 2^{2112611566340} is an apocalyptic number.

2112611566340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112611566340 is an abundant number, since it is smaller than the sum of its proper divisors (2737948760188).

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

2112611566340 is a wasteful number, since it uses less digits than its factorization.

2112611566340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12789 (or 12787 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 2112611566340 in words is "two trillion, one hundred twelve billion, six hundred eleven million, five hundred sixty-six thousand, three hundred forty".