2112303023311 has 4 divisors (see below), whose sum is σ = 2274787871272. Its totient is φ = 1949818175352.

The previous prime is 2112303023227. The next prime is 2112303023333. The reversal of 2112303023311 is 1133203032112.

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 2112303023311 - 2¹⁹ = 2112302499023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112303023711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81242423961 + ... + 81242423986.

It is an arithmetic number, because the mean of its divisors is an integer number (568696967818).

Almost surely, 2^{2112303023311} is an apocalyptic number.

2112303023311 is a deficient number, since it is larger than the sum of its proper divisors (162484847961).

2112303023311 is a wasteful number, since it uses less digits than its factorization.

2112303023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162484847960.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2112303023311 its reverse (1133203032112), we get a palindrome (3245506055423).

The spelling of 2112303023311 in words is "two trillion, one hundred twelve billion, three hundred three million, twenty-three thousand, three hundred eleven".