11101312331011 has 32 divisors (see below), whose sum is σ = 13393738319360. Its totient is φ = 8988461104896.

The previous prime is 11101312330981. The next prime is 11101312331047. The reversal of 11101312331011 is 11013321310111.

It is not a de Polignac number, because 11101312331011 - 2⁹ = 11101312330499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11101312331011.

It is not an unprimeable number, because it can be changed into a prime (11101312331411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68086261 + ... + 68249113.

It is an arithmetic number, because the mean of its divisors is an integer number (418554322480).

Almost surely, 2^{11101312331011} is an apocalyptic number.

11101312331011 is a deficient number, since it is larger than the sum of its proper divisors (2292425988349).

11101312331011 is a wasteful number, since it uses less digits than its factorization.

11101312331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164363.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 11101312331011 its reverse (11013321310111), we get a palindrome (22114633641122).

The spelling of 11101312331011 in words is "eleven trillion, one hundred one billion, three hundred twelve million, three hundred thirty-one thousand, eleven".