11011220132112 has 80 divisors (see below), whose sum is σ = 32078015615680. Its totient is φ = 3615624511488.

The previous prime is 11011220132021. The next prime is 11011220132161. The reversal of 11011220132112 is 21123102211011.

It is a happy number.

11011220132112 is a `hidden beast` number, since 110 + 1 + 1 + 220 + 1 + 321 + 12 = 666.

It is a super-2 number, since 2×11011220132112² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190186993 + ... + 190244880.

It is an arithmetic number, because the mean of its divisors is an integer number (400975195196).

Almost surely, 2^{11011220132112} is an apocalyptic number.

11011220132112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11011220132112 is an abundant number, since it is smaller than the sum of its proper divisors (21066795483568).

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

11011220132112 is a wasteful number, since it uses less digits than its factorization.

11011220132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380431957 (or 380431945 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11011220132112 its reverse (21123102211011), we get a palindrome (32134322343123).

The spelling of 11011220132112 in words is "eleven trillion, eleven billion, two hundred twenty million, one hundred thirty-two thousand, one hundred twelve".