2231112213111 has 16 divisors (see below), whose sum is σ = 3023717719680. Its totient is φ = 1462959585120.

The previous prime is 2231112213107. The next prime is 2231112213119. The reversal of 2231112213111 is 1113122111322.

2231112213111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2231112213111 - 2² = 2231112213107 is a prime.

It is a super-3 number, since 3×2231112213111³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231112213119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4061080 + ... + 4577618.

It is an arithmetic number, because the mean of its divisors is an integer number (188982357480).

Almost surely, 2^{2231112213111} is an apocalyptic number.

2231112213111 is a deficient number, since it is larger than the sum of its proper divisors (792605506569).

2231112213111 is a wasteful number, since it uses less digits than its factorization.

2231112213111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540206.

The product of its digits is 144, while the sum is 21.

Adding to 2231112213111 its reverse (1113122111322), we get a palindrome (3344234324433).

The spelling of 2231112213111 in words is "two trillion, two hundred thirty-one billion, one hundred twelve million, two hundred thirteen thousand, one hundred eleven".