1311244122107 has 4 divisors (see below), whose sum is σ = 1311247376040. Its totient is φ = 1311240868176.

The previous prime is 1311244122091. The next prime is 1311244122143. The reversal of 1311244122107 is 7012214421131.

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 1311244122107 - 2⁴ = 1311244122091 is a prime.

It is a super-2 number, since 2×1311244122107² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311244122107.

It is not an unprimeable number, because it can be changed into a prime (1311244127107) 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, 920153 + ... + 1862570.

It is an arithmetic number, because the mean of its divisors is an integer number (327811844010).

Almost surely, 2^{1311244122107} is an apocalyptic number.

1311244122107 is a deficient number, since it is larger than the sum of its proper divisors (3253933).

1311244122107 is an equidigital number, since it uses as much as digits as its factorization.

1311244122107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253932.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 1311244122107 its reverse (7012214421131), we get a palindrome (8323458543238).

The spelling of 1311244122107 in words is "one trillion, three hundred eleven billion, two hundred forty-four million, one hundred twenty-two thousand, one hundred seven".