1112222331331 has 4 divisors (see below), whose sum is σ = 1127458253752. Its totient is φ = 1096986408912.

The previous prime is 1112222331281. The next prime is 1112222331361. The reversal of 1112222331331 is 1331332222111.

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 1112222331331 - 2²⁵ = 1112188776899 is a prime.

It is a super-2 number, since 2×1112222331331² (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 = 1112222331296 and 1112222331305.

It is not an unprimeable number, because it can be changed into a prime (1112222331361) 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, 7617961101 + ... + 7617961246.

It is an arithmetic number, because the mean of its divisors is an integer number (281864563438).

Almost surely, 2^{1112222331331} is an apocalyptic number.

1112222331331 is a deficient number, since it is larger than the sum of its proper divisors (15235922421).

1112222331331 is an equidigital number, since it uses as much as digits as its factorization.

1112222331331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15235922420.

The product of its digits is 1296, while the sum is 25.

Adding to 1112222331331 its reverse (1331332222111), we get a palindrome (2443554553442).

The spelling of 1112222331331 in words is "one trillion, one hundred twelve billion, two hundred twenty-two million, three hundred thirty-one thousand, three hundred thirty-one".