2112233113231 has 4 divisors (see below), whose sum is σ = 2116814964264. Its totient is φ = 2107651262200.

The previous prime is 2112233113181. The next prime is 2112233113247. The reversal of 2112233113231 is 1323113322112.

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 2112233113231 - 2⁹ = 2112233112719 is a prime.

It is a super-2 number, since 2×2112233113231² (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 = 2112233113196 and 2112233113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112233143231) 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, 2290924825 + ... + 2290925746.

It is an arithmetic number, because the mean of its divisors is an integer number (529203741066).

Almost surely, 2^{2112233113231} is an apocalyptic number.

2112233113231 is a deficient number, since it is larger than the sum of its proper divisors (4581851033).

2112233113231 is an equidigital number, since it uses as much as digits as its factorization.

2112233113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581851032.

The product of its digits is 1296, while the sum is 25.

Adding to 2112233113231 its reverse (1323113322112), we get a palindrome (3435346435343).

The spelling of 2112233113231 in words is "two trillion, one hundred twelve billion, two hundred thirty-three million, one hundred thirteen thousand, two hundred thirty-one".