1311000502222 has 16 divisors (see below), whose sum is σ = 2020299390720. Its totient is φ = 637578775008.

The previous prime is 1311000502219. The next prime is 1311000502223. The reversal of 1311000502222 is 2222050001131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311000502222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311000502223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2619118 + ... + 3079249.

It is an arithmetic number, because the mean of its divisors is an integer number (126268711920).

Almost surely, 2^{1311000502222} is an apocalyptic number.

1311000502222 is a deficient number, since it is larger than the sum of its proper divisors (709298888498).

1311000502222 is a wasteful number, since it uses less digits than its factorization.

1311000502222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701515.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 1311000502222 its reverse (2222050001131), we get a palindrome (3533050503353).

The spelling of 1311000502222 in words is "one trillion, three hundred eleven billion, five hundred two thousand, two hundred twenty-two".