11102211105 has 32 divisors (see below), whose sum is σ = 18033580800. Its totient is φ = 5831688192.

The previous prime is 11102211103. The next prime is 11102211139. The reversal of 11102211105 is 50111220111.

It is not a de Polignac number, because 11102211105 - 2¹ = 11102211103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (11102211101) 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, 326916 + ... + 359274.

It is an arithmetic number, because the mean of its divisors is an integer number (563549400).

Almost surely, 2^11102211105 is an apocalyptic number.

11102211105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11102211105 is a deficient number, since it is larger than the sum of its proper divisors (6931369695).

11102211105 is a wasteful number, since it uses less digits than its factorization.

11102211105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32713.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 11102211105 its reverse (50111220111), we get a palindrome (61213431216).

The spelling of 11102211105 in words is "eleven billion, one hundred two million, two hundred eleven thousand, one hundred five".