1311100213111 has 8 divisors (see below), whose sum is σ = 1412831633360. Its totient is φ = 1209494158272.

The previous prime is 1311100213103. The next prime is 1311100213117. The reversal of 1311100213111 is 1113120011131.

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 1311100213111 - 2³ = 1311100213103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311100213117) 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, 31319625 + ... + 31361458.

It is an arithmetic number, because the mean of its divisors is an integer number (176603954170).

Almost surely, 2^{1311100213111} is an apocalyptic number.

1311100213111 is a deficient number, since it is larger than the sum of its proper divisors (101731420249).

1311100213111 is a wasteful number, since it uses less digits than its factorization.

1311100213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62682705.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1311100213111 its reverse (1113120011131), we get a palindrome (2424220224242).

The spelling of 1311100213111 in words is "one trillion, three hundred eleven billion, one hundred million, two hundred thirteen thousand, one hundred eleven".