11301220012218 has 16 divisors (see below), whose sum is σ = 22985532228960. Its totient is φ = 3703224636656.

The previous prime is 11301220012087. The next prime is 11301220012219. The reversal of 11301220012218 is 81221002210311.

It is a happy number.

It is a super-2 number, since 2×11301220012218² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11301220012219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15962174805 + ... + 15962175512.

It is an arithmetic number, because the mean of its divisors is an integer number (1436595764310).

Almost surely, 2^{11301220012218} is an apocalyptic number.

11301220012218 is an abundant number, since it is smaller than the sum of its proper divisors (11684312216742).

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

11301220012218 is a wasteful number, since it uses less digits than its factorization.

11301220012218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31924350381.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 11301220012218 its reverse (81221002210311), we get a palindrome (92522222222529).

The spelling of 11301220012218 in words is "eleven trillion, three hundred one billion, two hundred twenty million, twelve thousand, two hundred eighteen".