1311022113411 has 8 divisors (see below), whose sum is σ = 1749465832464. Its totient is φ = 873296568320.

The previous prime is 1311022113403. The next prime is 1311022113449. The reversal of 1311022113411 is 1143112201131.

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 1311022113411 - 2³ = 1311022113403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311022113451) 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, 179539230 + ... + 179546531.

It is an arithmetic number, because the mean of its divisors is an integer number (218683229058).

Almost surely, 2^{1311022113411} is an apocalyptic number.

1311022113411 is a deficient number, since it is larger than the sum of its proper divisors (438443719053).

1311022113411 is a wasteful number, since it uses less digits than its factorization.

1311022113411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359086981.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 1311022113411 its reverse (1143112201131), we get a palindrome (2454134314542).

The spelling of 1311022113411 in words is "one trillion, three hundred eleven billion, twenty-two million, one hundred thirteen thousand, four hundred eleven".