11101001101104 has 80 divisors (see below), whose sum is σ = 28733309700480. Its totient is φ = 3693145996800.

The previous prime is 11101001101081. The next prime is 11101001101109. The reversal of 11101001101104 is 40110110010111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11101001101104.

It is not an unprimeable number, because it can be changed into a prime (11101001101109) 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, 159767779 + ... + 159837245.

It is an arithmetic number, because the mean of its divisors is an integer number (359166371256).

Almost surely, 2^{11101001101104} is an apocalyptic number.

It is an amenable number.

11101001101104 is an abundant number, since it is smaller than the sum of its proper divisors (17632308599376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101001101104 is a wasteful number, since it uses less digits than its factorization.

11101001101104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75898 (or 75892 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11101001101104 its reverse (40110110010111), we get a palindrome (51211111111215).

The spelling of 11101001101104 in words is "eleven trillion, one hundred one billion, one million, one hundred one thousand, one hundred four".