1240112220311 has 16 divisors (see below), whose sum is σ = 1282011739008. Its totient is φ = 1198869789600.

The previous prime is 1240112220299. The next prime is 1240112220323. The reversal of 1240112220311 is 1130222110421.

It is an interprime number because it is at equal distance from previous prime (1240112220299) and next prime (1240112220323).

It is a cyclic number.

It is not a de Polignac number, because 1240112220311 - 2⁶ = 1240112220247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240112220331) 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 in 15 ways as a sum of consecutive naturals, for example, 1264640 + ... + 2019786.

It is an arithmetic number, because the mean of its divisors is an integer number (80125733688).

Almost surely, 2^{1240112220311} is an apocalyptic number.

1240112220311 is a deficient number, since it is larger than the sum of its proper divisors (41899518697).

1240112220311 is a wasteful number, since it uses less digits than its factorization.

1240112220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755582.

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

Adding to 1240112220311 its reverse (1130222110421), we get a palindrome (2370334330732).

The spelling of 1240112220311 in words is "one trillion, two hundred forty billion, one hundred twelve million, two hundred twenty thousand, three hundred eleven".