2112110131231 has 8 divisors (see below), whose sum is σ = 2128870174464. Its totient is φ = 2095359740760.

The previous prime is 2112110131213. The next prime is 2112110131303. The reversal of 2112110131231 is 1321310112112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112110131231 - 2¹⁵ = 2112110098463 is a prime.

It is a super-2 number, since 2×2112110131231² (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 = 2112110131199 and 2112110131208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112110191231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973521 + ... + 2849386.

It is an arithmetic number, because the mean of its divisors is an integer number (266108771808).

Almost surely, 2^{2112110131231} is an apocalyptic number.

2112110131231 is a deficient number, since it is larger than the sum of its proper divisors (16760043233).

2112110131231 is a wasteful number, since it uses less digits than its factorization.

2112110131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826381.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2112110131231 its reverse (1321310112112), we get a palindrome (3433420243343).

The spelling of 2112110131231 in words is "two trillion, one hundred twelve billion, one hundred ten million, one hundred thirty-one thousand, two hundred thirty-one".