2112310321011 has 24 divisors (see below), whose sum is σ = 3439697252880. Its totient is φ = 1280188071360.

The previous prime is 2112310320943. The next prime is 2112310321021. The reversal of 2112310321011 is 1101230132112.

2112310321011 is a `hidden beast` number, since 21 + 1 + 2 + 310 + 321 + 0 + 11 = 666.

It is not a de Polignac number, because 2112310321011 - 2⁹ = 2112310320499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112310321021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323276550 + ... + 323283083.

It is an arithmetic number, because the mean of its divisors is an integer number (143320718870).

Almost surely, 2^{2112310321011} is an apocalyptic number.

2112310321011 is a deficient number, since it is larger than the sum of its proper divisors (1327386931869).

2112310321011 is a wasteful number, since it uses less digits than its factorization.

2112310321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646559664 (or 646559647 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2112310321011 its reverse (1101230132112), we get a palindrome (3213540453123).

The spelling of 2112310321011 in words is "two trillion, one hundred twelve billion, three hundred ten million, three hundred twenty-one thousand, eleven".