2112231131011 has 4 divisors (see below), whose sum is σ = 2122845358000. Its totient is φ = 2101616904024.

The previous prime is 2112231130993. The next prime is 2112231131057. The reversal of 2112231131011 is 1101311322112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2112231131011 - 2¹³ = 2112231122819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112231131011.

It is not an unprimeable number, because it can be changed into a prime (2112231138011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5307113196 + ... + 5307113593.

It is an arithmetic number, because the mean of its divisors is an integer number (530711339500).

Almost surely, 2^{2112231131011} is an apocalyptic number.

2112231131011 is a deficient number, since it is larger than the sum of its proper divisors (10614226989).

2112231131011 is a wasteful number, since it uses less digits than its factorization.

2112231131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10614226988.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2112231131011 its reverse (1101311322112), we get a palindrome (3213542453123).

The spelling of 2112231131011 in words is "two trillion, one hundred twelve billion, two hundred thirty-one million, one hundred thirty-one thousand, eleven".