2112100311330 has 24 divisors (see below), whose sum is σ = 5491460809692. Its totient is φ = 563226749664.

The previous prime is 2112100311259. The next prime is 2112100311331. The reversal of 2112100311330 is 331130012112.

2112100311330 is a `hidden beast` number, since 2 + 1 + 1 + 21 + 0 + 0 + 311 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1960624449729 + 151475861601 = 1400223^2 + 389199^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2112100311331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11733890529 + ... + 11733890708.

Almost surely, 2^{2112100311330} is an apocalyptic number.

2112100311330 is an abundant number, since it is smaller than the sum of its proper divisors (3379360498362).

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

2112100311330 is a wasteful number, since it uses less digits than its factorization.

2112100311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23467781250 (or 23467781247 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2112100311330 its reverse (331130012112), we get a palindrome (2443230323442).

The spelling of 2112100311330 in words is "two trillion, one hundred twelve billion, one hundred million, three hundred eleven thousand, three hundred thirty".