1311121301302 has 16 divisors (see below), whose sum is σ = 2020183649712. Its totient is φ = 637732859040.

The previous prime is 1311121301291. The next prime is 1311121301317. The reversal of 1311121301302 is 2031031211131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311121301302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093824 + ... + 1954147.

It is an arithmetic number, because the mean of its divisors is an integer number (126261478107).

Almost surely, 2^{1311121301302} is an apocalyptic number.

1311121301302 is a deficient number, since it is larger than the sum of its proper divisors (709062348410).

1311121301302 is a wasteful number, since it uses less digits than its factorization.

1311121301302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3053823.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1311121301302 its reverse (2031031211131), we get a palindrome (3342152512433).

The spelling of 1311121301302 in words is "one trillion, three hundred eleven billion, one hundred twenty-one million, three hundred one thousand, three hundred two".