1311441222242 has 16 divisors (see below), whose sum is σ = 1986250019040. Its totient is φ = 649380729888.

The previous prime is 1311441222241. The next prime is 1311441222251. The reversal of 1311441222242 is 2422221441131.

It is not an unprimeable number, because it can be changed into a prime (1311441222241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5596748 + ... + 5826359.

It is an arithmetic number, because the mean of its divisors is an integer number (124140626190).

Almost surely, 2^{1311441222242} is an apocalyptic number.

1311441222242 is a deficient number, since it is larger than the sum of its proper divisors (674808796798).

1311441222242 is a wasteful number, since it uses less digits than its factorization.

1311441222242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423665.

The product of its digits is 6144, while the sum is 29.

Adding to 1311441222242 its reverse (2422221441131), we get a palindrome (3733662663373).

The spelling of 1311441222242 in words is "one trillion, three hundred eleven billion, four hundred forty-one million, two hundred twenty-two thousand, two hundred forty-two".