11100120216 has 64 divisors (see below), whose sum is σ = 29512356480. Its totient is φ = 3467020800.

The previous prime is 11100120151. The next prime is 11100120217. The reversal of 11100120216 is 61202100111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11100120195 and 11100120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100120217) 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, 32691 + ... + 152541.

It is an arithmetic number, because the mean of its divisors is an integer number (461130570).

Almost surely, 2^11100120216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11100120216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14756178240).

11100120216 is an abundant number, since it is smaller than the sum of its proper divisors (18412236264).

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

11100120216 is a wasteful number, since it uses less digits than its factorization.

11100120216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120104 (or 120100 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11100120216 its reverse (61202100111), we get a palindrome (72302220327).

The spelling of 11100120216 in words is "eleven billion, one hundred million, one hundred twenty thousand, two hundred sixteen".