2112331210231 has 4 divisors (see below), whose sum is σ = 2304361320264. Its totient is φ = 1920301100200.

The previous prime is 2112331210201. The next prime is 2112331210247. The reversal of 2112331210231 is 1320121332112.

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 2112331210231 - 2⁹ = 2112331209719 is a prime.

It is a super-2 number, since 2×2112331210231² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112331210201) 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, 96015055000 + ... + 96015055021.

It is an arithmetic number, because the mean of its divisors is an integer number (576090330066).

Almost surely, 2^{2112331210231} is an apocalyptic number.

2112331210231 is a deficient number, since it is larger than the sum of its proper divisors (192030110033).

2112331210231 is a wasteful number, since it uses less digits than its factorization.

2112331210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192030110032.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2112331210231 its reverse (1320121332112), we get a palindrome (3432452542343).

The spelling of 2112331210231 in words is "two trillion, one hundred twelve billion, three hundred thirty-one million, two hundred ten thousand, two hundred thirty-one".