11103133311101 has 8 divisors (see below), whose sum is σ = 11957439180120. Its totient is φ = 10248858683712.

The previous prime is 11103133311097. The next prime is 11103133311139. The reversal of 11103133311101 is 10111333130111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1077234334201 + 10025898976900 = 1037899^2 + 3166370^2 .

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 11103133311101 - 2² = 11103133311097 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 (11103133311191) 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, 7069670 + ... + 8496263.

It is an arithmetic number, because the mean of its divisors is an integer number (1494679897515).

Almost surely, 2^{11103133311101} is an apocalyptic number.

It is an amenable number.

11103133311101 is a deficient number, since it is larger than the sum of its proper divisors (854305869019).

11103133311101 is a wasteful number, since it uses less digits than its factorization.

11103133311101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620815.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 11103133311101 its reverse (10111333130111), we get a palindrome (21214466441212).

The spelling of 11103133311101 in words is "eleven trillion, one hundred three billion, one hundred thirty-three million, three hundred eleven thousand, one hundred one".