1240112220331 has 2 divisors, whose sum is σ = 1240112220332. Its totient is φ = 1240112220330.

The previous prime is 1240112220323. The next prime is 1240112220401. The reversal of 1240112220331 is 1330222110421.

It is a weak prime.

It is an emirp because it is prime and its reverse (1330222110421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240112220331 - 2³ = 1240112220323 is a prime.

It is a super-2 number, since 2×1240112220331² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1240112290331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620056110165 + 620056110166.

It is an arithmetic number, because the mean of its divisors is an integer number (620056110166).

Almost surely, 2^{1240112220331} is an apocalyptic number.

1240112220331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240112220331 is an equidigital number, since it uses as much as digits as its factorization.

1240112220331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1240112220331 its reverse (1330222110421), we get a palindrome (2570334330752).

The spelling of 1240112220331 in words is "one trillion, two hundred forty billion, one hundred twelve million, two hundred twenty thousand, three hundred thirty-one".