2231112110111 has 4 divisors (see below), whose sum is σ = 2231115098472. Its totient is φ = 2231109121752.

The previous prime is 2231112110089. The next prime is 2231112110203. The reversal of 2231112110111 is 1110112111322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2231112110111 - 2³⁸ = 1956234203167 is a prime.

It is a super-3 number, since 3×2231112110111³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231112110111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231112130111) 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, 689741 + ... + 2222153.

It is an arithmetic number, because the mean of its divisors is an integer number (557778774618).

Almost surely, 2^{2231112110111} is an apocalyptic number.

2231112110111 is a deficient number, since it is larger than the sum of its proper divisors (2988361).

2231112110111 is a wasteful number, since it uses less digits than its factorization.

2231112110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2988360.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 2231112110111 its reverse (1110112111322), we get a palindrome (3341224221433).

The spelling of 2231112110111 in words is "two trillion, two hundred thirty-one billion, one hundred twelve million, one hundred ten thousand, one hundred eleven".