1311102655121 has 8 divisors (see below), whose sum is σ = 1498537521600. Its totient is φ = 1123701410448.

The previous prime is 1311102655117. The next prime is 1311102655129. The reversal of 1311102655121 is 1215562011131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311102655121 - 2² = 1311102655117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311102655129) 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, 8321831 + ... + 8477916.

It is an arithmetic number, because the mean of its divisors is an integer number (187317190200).

Almost surely, 2^{1311102655121} is an apocalyptic number.

It is an amenable number.

1311102655121 is a deficient number, since it is larger than the sum of its proper divisors (187434866479).

1311102655121 is a wasteful number, since it uses less digits than its factorization.

1311102655121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16810903.

The product of its (nonzero) digits is 1800, while the sum is 29.

Adding to 1311102655121 its reverse (1215562011131), we get a palindrome (2526664666252).

The spelling of 1311102655121 in words is "one trillion, three hundred eleven billion, one hundred two million, six hundred fifty-five thousand, one hundred twenty-one".