2112112320233 has 4 divisors (see below), whose sum is σ = 2118379716180. Its totient is φ = 2105844924288.

The previous prime is 2112112320191. The next prime is 2112112320257. The reversal of 2112112320233 is 3320232112112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1111816298329 + 1000296021904 = 1054427^2 + 1000148^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112112320233 - 2¹⁰ = 2112112319209 is a prime.

It is a super-2 number, since 2×2112112320233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112112320199 and 2112112320208.

It is not an unprimeable number, because it can be changed into a prime (2112112320293) 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, 3133697468 + ... + 3133698141.

It is an arithmetic number, because the mean of its divisors is an integer number (529594929045).

Almost surely, 2^{2112112320233} is an apocalyptic number.

It is an amenable number.

2112112320233 is a deficient number, since it is larger than the sum of its proper divisors (6267395947).

2112112320233 is an equidigital number, since it uses as much as digits as its factorization.

2112112320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267395946.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2112112320233 its reverse (3320232112112), we get a palindrome (5432344432345).

The spelling of 2112112320233 in words is "two trillion, one hundred twelve billion, one hundred twelve million, three hundred twenty thousand, two hundred thirty-three".