2112224140231 has 4 divisors (see below), whose sum is σ = 2113538531472. Its totient is φ = 2110909748992.

The previous prime is 2112224140217. The next prime is 2112224140253. The reversal of 2112224140231 is 1320414222112.

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 2112224140231 - 2¹⁵ = 2112224107463 is a prime.

It is a super-2 number, since 2×2112224140231² (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 = 2112224140196 and 2112224140205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112224140291) 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, 657193210 + ... + 657196423.

It is an arithmetic number, because the mean of its divisors is an integer number (528384632868).

Almost surely, 2^{2112224140231} is an apocalyptic number.

2112224140231 is a deficient number, since it is larger than the sum of its proper divisors (1314391241).

2112224140231 is a wasteful number, since it uses less digits than its factorization.

2112224140231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314391240.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 2112224140231 its reverse (1320414222112), we get a palindrome (3432638362343).

The spelling of 2112224140231 in words is "two trillion, one hundred twelve billion, two hundred twenty-four million, one hundred forty thousand, two hundred thirty-one".