11220001122018 has 16 divisors (see below), whose sum is σ = 24166156262976. Its totient is φ = 3452308037520.

The previous prime is 11220001122013. The next prime is 11220001122019. The reversal of 11220001122018 is 81022110002211.

It is a junction number, because it is equal to n+sod(n) for n = 11220001121985 and 11220001122003.

It is not an unprimeable number, because it can be changed into a prime (11220001122013) 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, 71923084038 + ... + 71923084193.

It is an arithmetic number, because the mean of its divisors is an integer number (1510384766436).

Almost surely, 2^{11220001122018} is an apocalyptic number.

11220001122018 is an abundant number, since it is smaller than the sum of its proper divisors (12946155140958).

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

11220001122018 is a wasteful number, since it uses less digits than its factorization.

11220001122018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143846168249.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 11220001122018 its reverse (81022110002211), we get a palindrome (92242111124229).

The spelling of 11220001122018 in words is "eleven trillion, two hundred twenty billion, one million, one hundred twenty-two thousand, eighteen".