2112320021233 has 4 divisors (see below), whose sum is σ = 2113305707008. Its totient is φ = 2111334335460.

The previous prime is 2112320021179. The next prime is 2112320021239. The reversal of 2112320021233 is 3321200232112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112320021233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112320021239) 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, 492839673 + ... + 492843958.

It is an arithmetic number, because the mean of its divisors is an integer number (528326426752).

Almost surely, 2^{2112320021233} is an apocalyptic number.

It is an amenable number.

2112320021233 is a deficient number, since it is larger than the sum of its proper divisors (985685775).

2112320021233 is an equidigital number, since it uses as much as digits as its factorization.

2112320021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985685774.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2112320021233 its reverse (3321200232112), we get a palindrome (5433520253345).

The spelling of 2112320021233 in words is "two trillion, one hundred twelve billion, three hundred twenty million, twenty-one thousand, two hundred thirty-three".