2231012222111 has 4 divisors (see below), whose sum is σ = 2231619965424. Its totient is φ = 2230404478800.

The previous prime is 2231012222083. The next prime is 2231012222147. The reversal of 2231012222111 is 1112222101322.

2231012222111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2231012222111 is a prime.

It is a super-3 number, since 3×2231012222111³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231012222011) 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, 303866150 + ... + 303873491.

It is an arithmetic number, because the mean of its divisors is an integer number (557904991356).

Almost surely, 2^{2231012222111} is an apocalyptic number.

2231012222111 is a deficient number, since it is larger than the sum of its proper divisors (607743313).

2231012222111 is an equidigital number, since it uses as much as digits as its factorization.

2231012222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607743312.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2231012222111 its reverse (1112222101322), we get a palindrome (3343234323433).

The spelling of 2231012222111 in words is "two trillion, two hundred thirty-one billion, twelve million, two hundred twenty-two thousand, one hundred eleven".