11102220222012 has 96 divisors (see below), whose sum is σ = 30104681564160. Its totient is φ = 3531624909120.

The previous prime is 11102220221947. The next prime is 11102220222013. The reversal of 11102220222012 is 21022202220111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11102220222013) 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, 4114423 + ... + 6255630.

It is an arithmetic number, because the mean of its divisors is an integer number (313590432960).

Almost surely, 2^{11102220222012} is an apocalyptic number.

11102220222012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11102220222012 is an abundant number, since it is smaller than the sum of its proper divisors (19002461342148).

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

11102220222012 is a wasteful number, since it uses less digits than its factorization.

11102220222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370520 (or 10370512 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11102220222012 its reverse (21022202220111), we get a palindrome (32124422442123).

The spelling of 11102220222012 in words is "eleven trillion, one hundred two billion, two hundred twenty million, two hundred twenty-two thousand, twelve".