11120122211220 has 144 divisors (see below), whose sum is σ = 36798477468480. Its totient is φ = 2695715251200.

The previous prime is 11120122211203. The next prime is 11120122211221. The reversal of 11120122211220 is 2211222102111.

11120122211220 is a `hidden beast` number, since 1 + 11 + 201 + 22 + 211 + 220 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 11120122211193 and 11120122211202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120122211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146123580 + ... + 146199660.

It is an arithmetic number, because the mean of its divisors is an integer number (255544982420).

Almost surely, 2^{11120122211220} is an apocalyptic number.

11120122211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11120122211220 is an abundant number, since it is smaller than the sum of its proper divisors (25678355257260).

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

11120122211220 is a wasteful number, since it uses less digits than its factorization.

11120122211220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149926 (or 149921 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11120122211220 its reverse (2211222102111), we get a palindrome (13331344313331).

The spelling of 11120122211220 in words is "eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand, two hundred twenty".