2112120120223 has 4 divisors (see below), whose sum is σ = 2112123105648. Its totient is φ = 2112117134800.

The previous prime is 2112120120191. The next prime is 2112120120239. The reversal of 2112120120223 is 3220210212112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2112120120223 - 2⁵ = 2112120120191 is a prime.

It is a super-2 number, since 2×2112120120223² (a number of 25 digits) contains 22 as substring.

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 2112120120223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112120120263) 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, 235323 + ... + 2068723.

It is an arithmetic number, because the mean of its divisors is an integer number (528030776412).

Almost surely, 2^{2112120120223} is an apocalyptic number.

2112120120223 is a deficient number, since it is larger than the sum of its proper divisors (2985425).

2112120120223 is a wasteful number, since it uses less digits than its factorization.

2112120120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985424.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2112120120223 its reverse (3220210212112), we get a palindrome (5332330332335).

The spelling of 2112120120223 in words is "two trillion, one hundred twelve billion, one hundred twenty million, one hundred twenty thousand, two hundred twenty-three".