1311011124101 has 16 divisors (see below), whose sum is σ = 1603011269760. Its totient is φ = 1047128316480.

The previous prime is 1311011124097. The next prime is 1311011124121. The reversal of 1311011124101 is 1014211101131.

It is a cyclic number.

It is not a de Polignac number, because 1311011124101 - 2² = 1311011124097 is a prime.

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 1311011124101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311011124121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80788826 + ... + 80805051.

It is an arithmetic number, because the mean of its divisors is an integer number (100188204360).

Almost surely, 2^{1311011124101} is an apocalyptic number.

It is an amenable number.

1311011124101 is a deficient number, since it is larger than the sum of its proper divisors (292000145659).

1311011124101 is a wasteful number, since it uses less digits than its factorization.

1311011124101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161593964.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 1311011124101 its reverse (1014211101131), we get a palindrome (2325222225232).

The spelling of 1311011124101 in words is "one trillion, three hundred eleven billion, eleven million, one hundred twenty-four thousand, one hundred one".