11011120220018 has 32 divisors (see below), whose sum is σ = 16729268874240. Its totient is φ = 5435048963520.

The previous prime is 11011120220017. The next prime is 11011120220029. The reversal of 11011120220018 is 81002202111011.

It is a happy number.

11011120220018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11011120220017) 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, 136453823 + ... + 136534493.

It is an arithmetic number, because the mean of its divisors is an integer number (522789652320).

Almost surely, 2^{11011120220018} is an apocalyptic number.

11011120220018 is a deficient number, since it is larger than the sum of its proper divisors (5718148654222).

11011120220018 is a wasteful number, since it uses less digits than its factorization.

11011120220018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82842.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 11011120220018 its reverse (81002202111011), we get a palindrome (92013322331029).

The spelling of 11011120220018 in words is "eleven trillion, eleven billion, one hundred twenty million, two hundred twenty thousand, eighteen".